Area Code 641
Area code 641 is in Iowa, USA , spanning 40 counties and serving 247 cities, including Mason City, Marshalltown or Ottumwa; it currently uses 567 prefixes, assigned from 641-200-XXXX through 641-999-XXXX.
In service date for area code 641: July 09, 2000.
The current local time is .
For exact NPA boundaries see official 641 area code map
Phone number lookup
More Iowa area codes:
Locate any 641-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-200 | Charles City | 6/29/2018 |
| 641-201 | Mason City | 4/9/2001 |
| 641-202 | Creston | 2/14/2001 |
| 641-203 | Chariton | 2/14/2001 |
| 641-204 | Pella | 8/17/2004 |
| 641-205 | Knoxville | N/A |
| 641-206 | Osceola | 8/17/2017 |
| 641-207 | Keota | 1/14/2004 |
| 641-208 | Bloomfield | 3/1/2004 |
| 641-209 | Fairfield | N/A |
| 641-210 | Mason City | 8/2/2001 |
| 641-212 | Greenfield | 6/25/2015 |
| 641-213 | New Haven | 10/16/2006 |
| 641-214 | Davis City | 8/10/2020 |
| 641-215 | Oskaloosa | 9/9/2019 |
| 641-216 | Centerville | N/A |
| 641-217 | Chariton | N/A |
| 641-218 | Knoxville | N/A |
| 641-219 | Chariton | 10/9/2020 |
| 641-220 | Charles City | N/A |
| 641-221 | Greenfield | 4/29/2003 |
| 641-222 | Britt | 1/9/2020 |
| 641-223 | Osceola | N/A |
| 641-224 | Sigourney | 9/12/2001 |
| 641-225 | Eddyville | 9/12/2001 |
| 641-226 | Ottumwa | 7/11/2001 |
| 641-227 | Baxter | N/A |
| 641-228 | Charles City | N/A |
| 641-229 | New Hampton | 5/6/2004 |
| 641-230 | Pella | 6/5/2001 |
| 641-231 | Clear Lake | 8/9/2001 |
| 641-232 | Leighton | 7/11/2001 |
| 641-233 | Fairfield | 5/15/2001 |
| 641-234 | Mount Ayr | 9/25/2003 |
| 641-235 | New Haven | 5/1/2006 |
| 641-236 | Grinnell | N/A |
| 641-237 | New Haven | 10/16/2006 |
| 641-238 | Geneva | N/A |
| 641-239 | Afton | 3/3/2021 |
| 641-240 | Unionville | 7/22/2021 |
| 641-241 | Fontanelle | 5/25/2021 |
| 641-242 | Bloomfield | 3/8/2010 |
| 641-243 | Mason City | 10/26/2009 |
| 641-244 | Ottumwa | 6/2/2016 |
| 641-245 | Prescott | 5/25/2021 |
| 641-246 | Nora Springs | 7/19/2021 |
| 641-247 | Fontanelle | 1/13/2009 |
| 641-248 | Ollie | 5/25/2021 |
| 641-249 | Lineville | 7/19/2021 |
| 641-250 | Manly | 12/15/2022 |
| 641-251 | Forest City | 12/31/2005 |
| 641-252 | Dumont | 12/3/2021 |
| 641-253 | Bristow | 2/22/2022 |
| 641-254 | Nashua | 12/15/2022 |
| 641-255 | Mason City | 4/28/2022 |
| 641-256 | Creston | 11/27/2023 |
| 641-257 | Charles City | N/A |
| 641-258 | Adair | 2/21/2022 |
| 641-259 | Monroe | N/A |
| 641-260 | Grinnell | N/A |
| 641-261 | Toledo | 4/28/2022 |
| 641-262 | New Haven | 5/1/2006 |
| 641-263 | Moravia | 01/22/2024 |
| 641-264 | Little Cedar | 5/1/2006 |
| 641-265 | Attica | 05/01/2024 |
| 641-266 | Ackley | 2/21/2022 |
| 641-267 | Chillicoth | 05/01/2024 |
| 641-268 | Lacona | 7/28/2022 |
| 641-269 | Grinnell | N/A |
| 641-270 | Cincinnati | 05/01/2024 |
| 641-271 | Clearfield | 05/01/2024 |
| 641-272 | Bridgewater | 3/10/2022 |
| 641-273 | Diagonal | 05/01/2024 |
| 641-274 | Lovilia | 9/21/2020 |
| 641-275 | Newton | 3/20/2001 |
| 641-276 | Agency | 11/5/2019 |
| 641-277 | Ottumwa | 8/5/2020 |
| 641-278 | Creston | 8/21/2007 |
| 641-279 | Douds | 05/06/2024 |
| 641-280 | Lucas | 05/20/2024 |
| 641-281 | Charles City | 12/9/2020 |
| 641-282 | South Adams | 5/27/2021 |
| 641-283 | Eldon | 05/06/2024 |
| 641-284 | Farson | 05/06/2024 |
| 641-285 | Hedrick | 05/06/2024 |
| 641-286 | Kellerton | 05/06/2024 |
| 641-287 | Peoria | 05/22/2024 |
| 641-288 | Amund | 5/25/2021 |
| 641-289 | Lamoni | 6/3/2009 |
| 641-290 | Milo | 7/29/2022 |
| 641-291 | Plano | 05/22/2024 |
| 641-292 | Liberty Center | 05/06/2024 |
| 641-293 | South Emmons | N/A |
| 641-294 | Russell | 05/22/2024 |
| 641-295 | Oskaloosa | 2/25/2002 |
| 641-296 | New Virginia | 05/20/2024 |
| 641-297 | St Marys | N/A |
| 641-298 | Amund | N/A |
| 641-299 | Shannon City | 05/22/2024 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-300 | Osage | 12/27/2019 |
| 641-301 | Martensdale | 05/20/2024 |
| 641-302 | Rhodes | 05/11/2023 |
| 641-303 | State Center | 10/25/2023 |
| 641-304 | Lenox | 08/27/2024 |
| 641-307 | Guthrie Center | 8/31/2016 |
| 641-308 | New Haven | 10/16/2006 |
| 641-309 | New Haven | 10/16/2006 |
| 641-310 | Marshalltown | 03/08/2024 |
| 641-315 | Marble Rock | N/A |
| 641-316 | Iowa Falls | 2/1/2005 |
| 641-317 | Kanawha | 4/19/2011 |
| 641-318 | Knoxville | N/A |
| 641-321 | Mount Ayr | 12/12/2017 |
| 641-322 | Corning | N/A |
| 641-323 | Northwood | 8/30/2005 |
| 641-324 | Northwood | N/A |
| 641-325 | Grinnell | N/A |
| 641-326 | Mona | N/A |
| 641-327 | Wellsburg | 10/21/2019 |
| 641-328 | Marshalltown | 5/23/2001 |
| 641-329 | Bailey | N/A |
| 641-330 | Charles City | N/A |
| 641-332 | Guthrie Center | 10/30/2001 |
| 641-333 | Lenox | N/A |
| 641-334 | Rose Hill | 8/29/2019 |
| 641-335 | Prescott | N/A |
| 641-336 | Clearfield | N/A |
| 641-337 | Orient | N/A |
| 641-338 | Thayer | N/A |
| 641-339 | Shannon City | N/A |
| 641-340 | Osceola | N/A |
| 641-341 | Thornton | 12/8/2021 |
| 641-342 | Osceola | N/A |
| 641-343 | Greenfield | N/A |
| 641-344 | Creston | N/A |
| 641-345 | Nevinville | N/A |
| 641-346 | Arispe | N/A |
| 641-347 | Afton | N/A |
| 641-348 | Kent | N/A |
| 641-349 | Sharpsburg | N/A |
| 641-351 | Marshalltown | 4/23/2001 |
| 641-352 | Marshalltown | 1/28/2002 |
| 641-353 | Kensett | 2/14/2007 |
| 641-354 | Marshalltown | 6/20/2018 |
| 641-355 | Clear Lake | N/A |
| 641-356 | Gladbrook | 12/27/2019 |
| 641-357 | Clear Lake | N/A |
| 641-358 | Meservey | N/A |
| 641-359 | Iowa Falls | 09/13/2023 |
| 641-362 | Creston | 2/12/2019 |
| 641-363 | Mingo | N/A |
| 641-364 | Alta Vista | N/A |
| 641-366 | Conrad | N/A |
| 641-368 | Otley | 05/22/2024 |
| 641-369 | Bridgewater | N/A |
| 641-372 | Rockwell | 2/14/2007 |
| 641-373 | Iowa Falls | 7/16/2002 |
| 641-377 | Colo | N/A |
| 641-380 | Mason City | N/A |
| 641-381 | Northwood | N/A |
| 641-382 | Bailey | 5/25/2021 |
| 641-384 | Belmond | 7/30/2018 |
| 641-385 | Collins | N/A |
| 641-387 | Toledo | 5/2/2018 |
| 641-388 | Little Cedar | 5/1/2006 |
| 641-390 | Northwood | N/A |
| 641-393 | Elma | N/A |
| 641-394 | New Hampton | N/A |
| 641-395 | Rudd | N/A |
| 641-396 | St Charles | N/A |
| 641-397 | Marble Rock | N/A |
| 641-398 | Floyd | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-400 | Humeston | 11/5/2019 |
| 641-401 | Swaledale | 10/25/2018 |
| 641-402 | Martinsburg | 05/20/2024 |
| 641-403 | Bagley | 03/04/2024 |
| 641-406 | Meservey | 10/25/2018 |
| 641-407 | Linden | 03/04/2024 |
| 641-410 | New Haven | 10/16/2006 |
| 641-413 | Lenox | 11/11/2004 |
| 641-414 | Osceola | N/A |
| 641-416 | Pella | N/A |
| 641-417 | Newton | N/A |
| 641-418 | Corning | 11/11/2004 |
| 641-420 | Mason City | N/A |
| 641-421 | Mason City | N/A |
| 641-422 | Mason City | N/A |
| 641-423 | Mason City | N/A |
| 641-424 | Mason City | N/A |
| 641-425 | Mason City | N/A |
| 641-426 | Charles City | N/A |
| 641-427 | Bagley | N/A |
| 641-428 | Mason City | 8/18/2010 |
| 641-429 | Jamaica | N/A |
| 641-430 | Mason City | N/A |
| 641-431 | Yale | N/A |
| 641-432 | Forest City | 7/28/2016 |
| 641-433 | What Cheer | 7/13/2006 |
| 641-435 | Nashua | N/A |
| 641-436 | Centerville | 7/17/2003 |
| 641-437 | Centerville | N/A |
| 641-439 | Yale | N/A |
| 641-440 | Clear Lake | 2/14/2007 |
| 641-441 | Klemme | 9/12/2019 |
| 641-442 | Davis City | N/A |
| 641-443 | Garden Grove | N/A |
| 641-444 | Belmond | N/A |
| 641-445 | Weldon | N/A |
| 641-446 | Leon | N/A |
| 641-447 | Murray | N/A |
| 641-448 | Melcher | 11/5/2019 |
| 641-449 | New Virginia | N/A |
| 641-450 | Mason City | 5/16/2013 |
| 641-451 | Fairfield | 7/14/2003 |
| 641-452 | Unionville | N/A |
| 641-453 | New Haven | 5/1/2006 |
| 641-454 | Manly | N/A |
| 641-455 | Ottumwa | 2/9/2001 |
| 641-456 | Hampton | N/A |
| 641-457 | Leland | 2/14/2007 |
| 641-458 | Geneva | N/A |
| 641-459 | Floris | N/A |
| 641-461 | Charles City | 8/29/2019 |
| 641-464 | Mount Ayr | N/A |
| 641-465 | Klemme | 2/25/2010 |
| 641-466 | Liberty Center | N/A |
| 641-469 | Fairfield | N/A |
| 641-470 | Fairfield | N/A |
| 641-472 | Fairfield | N/A |
| 641-473 | Gladbrook | N/A |
| 641-474 | Green Mountain | N/A |
| 641-475 | Haverhill | N/A |
| 641-476 | Laurel | N/A |
| 641-477 | Clemons | N/A |
| 641-478 | Ferguson | N/A |
| 641-479 | Le Grand | N/A |
| 641-481 | Toledo | 7/17/2003 |
| 641-482 | Melbourne | N/A |
| 641-483 | State Center | N/A |
| 641-484 | Toledo | N/A |
| 641-485 | Marshalltown | N/A |
| 641-486 | Union | N/A |
| 641-487 | Zearing | N/A |
| 641-488 | Albion | N/A |
| 641-489 | Chelsea | N/A |
| 641-492 | Montour | N/A |
| 641-493 | Rhodes | N/A |
| 641-494 | Mason City | N/A |
| 641-495 | Goodell | N/A |
| 641-496 | Liscomb | N/A |
| 641-497 | New Providence | N/A |
| 641-498 | Gilman | N/A |
| 641-499 | Garwin | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-500 | Iowa Falls | 12/27/2019 |
| 641-501 | Montezuma | 7/6/2018 |
| 641-502 | Melbourne | N/A |
| 641-503 | Mount Ayr | 6/12/2018 |
| 641-504 | Oskaloosa | N/A |
| 641-505 | Manly | 7/20/2017 |
| 641-506 | Zearing | 12/3/2021 |
| 641-507 | Baxter | N/A |
| 641-508 | Osceola | 1/26/2022 |
| 641-509 | New Haven | 10/16/2006 |
| 641-510 | Grinnell | N/A |
| 641-512 | Mason City | N/A |
| 641-513 | Mason City | 03/12/2024 |
| 641-514 | Thompson | 2/22/2022 |
| 641-516 | Marshalltown | 1/21/2021 |
| 641-517 | Oskaloosa | 1/13/2022 |
| 641-518 | Delta | 03/28/2024 |
| 641-519 | Garner | 3/10/2010 |
| 641-521 | Newton | N/A |
| 641-522 | Brooklyn | N/A |
| 641-523 | Corydon | 3/8/2010 |
| 641-524 | Menlo | N/A |
| 641-525 | Clear Lake | N/A |
| 641-526 | Kellogg | N/A |
| 641-527 | Lynnville | N/A |
| 641-528 | Malcom | N/A |
| 641-529 | Clear Lake | N/A |
| 641-530 | Mason City | N/A |
| 641-531 | Iowa Falls | 4/19/2017 |
| 641-533 | Derby | N/A |
| 641-534 | Lacona | N/A |
| 641-535 | Russell | N/A |
| 641-536 | Lenox | 6/26/2008 |
| 641-541 | Sigourney | N/A |
| 641-543 | Alta Vista | 2/28/2022 |
| 641-548 | Mason City | 3/6/2018 |
| 641-551 | New Haven | 5/1/2006 |
| 641-552 | Charles City | 6/22/2007 |
| 641-557 | New Hampton | 6/25/2015 |
| 641-560 | Fairfield | 03/14/2024 |
| 641-561 | Buffalo Center | N/A |
| 641-562 | Buffalo Center | N/A |
| 641-565 | Crystal Lake | N/A |
| 641-566 | Rake | N/A |
| 641-567 | Leland | N/A |
| 641-568 | Scarville | N/A |
| 641-569 | Oskaloosa | 7/11/2001 |
| 641-570 | Little Cedar | 5/1/2006 |
| 641-572 | Leon | 6/3/2009 |
| 641-575 | Ottumwa | 6/21/2018 |
| 641-579 | Latimer | N/A |
| 641-580 | Latimer | N/A |
| 641-581 | Forest City | N/A |
| 641-582 | Forest City | N/A |
| 641-583 | Manly | 7/11/2001 |
| 641-584 | Thompson | N/A |
| 641-585 | Forest City | N/A |
| 641-586 | South Adams | N/A |
| 641-587 | Klemme | N/A |
| 641-588 | Joice | N/A |
| 641-589 | Seymour | 03/28/2024 |
| 641-590 | Joice | N/A |
| 641-591 | Lake Mills | N/A |
| 641-592 | Lake Mills | N/A |
| 641-593 | Searsboro | N/A |
| 641-594 | Sully | N/A |
| 641-595 | Deep River | N/A |
| 641-596 | Joice | N/A |
| 641-599 | St Ansgar | 6/25/2015 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-600 | Libertyville | 12/27/2019 |
| 641-601 | Tracy | 03/28/2024 |
| 641-608 | Little Cedar | 5/1/2006 |
| 641-609 | Alexander | 11/7/2018 |
| 641-612 | New Haven | 5/1/2006 |
| 641-613 | Pella | N/A |
| 641-614 | Sharpsburg | 10/25/2018 |
| 641-619 | Pella | 9/23/2020 |
| 641-620 | Pella | N/A |
| 641-621 | Pella | N/A |
| 641-622 | Sigourney | N/A |
| 641-623 | Montezuma | N/A |
| 641-624 | Delta | N/A |
| 641-625 | Peoria | N/A |
| 641-626 | Leighton | N/A |
| 641-627 | Otley | N/A |
| 641-628 | Pella | N/A |
| 641-629 | Pella | N/A |
| 641-630 | Hampton | 6/20/2018 |
| 641-631 | Charles City | 12/6/2017 |
| 641-632 | Rose Hill | N/A |
| 641-634 | What Cheer | N/A |
| 641-635 | Harper | N/A |
| 641-636 | Keota | N/A |
| 641-637 | New Sharon | N/A |
| 641-638 | Oskaloosa | N/A |
| 641-639 | Mystic | 03/28/2024 |
| 641-640 | Iowa Falls | N/A |
| 641-642 | Moulton | N/A |
| 641-643 | Malcom | 4/13/2021 |
| 641-644 | Barnes City | N/A |
| 641-646 | Rowan | 10/25/2018 |
| 641-647 | Mystic | N/A |
| 641-648 | Iowa Falls | N/A |
| 641-649 | Plano | N/A |
| 641-651 | Pella | N/A |
| 641-652 | Eldon | N/A |
| 641-653 | Hedrick | N/A |
| 641-654 | Toledo | 05/10/2024 |
| 641-655 | Farson | N/A |
| 641-656 | Milton | N/A |
| 641-657 | Hampton | 07/18/2024 |
| 641-658 | Cincinnati | N/A |
| 641-659 | Grinnell | 6/25/2015 |
| 641-660 | Oskaloosa | N/A |
| 641-661 | Martinsburg | N/A |
| 641-662 | Batavia | N/A |
| 641-664 | Bloomfield | N/A |
| 641-665 | New Haven | 10/16/2006 |
| 641-666 | Osage | 12/6/2017 |
| 641-667 | Ollie | N/A |
| 641-668 | Bussey | 3/14/2022 |
| 641-670 | Oskaloosa | N/A |
| 641-671 | Lenox | 10/25/2018 |
| 641-672 | Oskaloosa | N/A |
| 641-673 | Oskaloosa | N/A |
| 641-674 | Centerville | 07/31/2024 |
| 641-675 | Pulaski | N/A |
| 641-676 | Oskaloosa | 5/1/2003 |
| 641-677 | Sheffield | 12/27/2019 |
| 641-678 | Searsboro | N/A |
| 641-680 | Ottumwa | N/A |
| 641-681 | Goodell | 10/25/2018 |
| 641-682 | Ottumwa | N/A |
| 641-683 | Ottumwa | N/A |
| 641-684 | Ottumwa | N/A |
| 641-688 | Tingley | 7/21/2020 |
| 641-690 | Macksburg | 05/20/2024 |
| 641-691 | Marshalltown | 7/11/2001 |
| 641-692 | Alexander | N/A |
| 641-693 | Libertyville | N/A |
| 641-696 | Plymouth | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-705 | Elma | N/A |
| 641-710 | Stacyville | N/A |
| 641-713 | St Ansgar | N/A |
| 641-714 | Le Grand | 02/09/2024 |
| 641-715 | Charles City | 5/13/2005 |
| 641-717 | Coulter | N/A |
| 641-719 | Clemons | 7/19/2021 |
| 641-722 | Drakesville | N/A |
| 641-724 | Moravia | N/A |
| 641-726 | Melrose | N/A |
| 641-727 | Blakesburg | 3/4/2022 |
| 641-728 | Peru | N/A |
| 641-732 | Osage | N/A |
| 641-734 | Diagonal | N/A |
| 641-735 | Buffalo Center | 2/14/2007 |
| 641-736 | St Ansgar | N/A |
| 641-737 | Stacyville | N/A |
| 641-739 | New Haven | 10/16/2006 |
| 641-740 | Casey | N/A |
| 641-741 | Killduff | N/A |
| 641-742 | Adair | N/A |
| 641-743 | Greenfield | N/A |
| 641-744 | Linden | N/A |
| 641-745 | Fontanelle | N/A |
| 641-746 | Casey | N/A |
| 641-747 | Guthrie Center | N/A |
| 641-748 | Grafton | N/A |
| 641-749 | Nora Springs | N/A |
| 641-750 | Marshalltown | N/A |
| 641-751 | Marshalltown | N/A |
| 641-752 | Marshalltown | 4/24/2001 |
| 641-753 | Marshalltown | 4/24/2001 |
| 641-754 | Marshalltown | 4/24/2001 |
| 641-755 | Panora | N/A |
| 641-756 | Rockford | N/A |
| 641-757 | Panora | N/A |
| 641-758 | Marshalltown | 2/5/2009 |
| 641-760 | Mingo | 05/20/2024 |
| 641-762 | Kanawha | N/A |
| 641-763 | Lorimor | N/A |
| 641-764 | Martensdale | N/A |
| 641-765 | Truro | N/A |
| 641-766 | Lucas | N/A |
| 641-767 | Redding | N/A |
| 641-768 | Macksburg | N/A |
| 641-772 | Tingley | N/A |
| 641-773 | Grand River | N/A |
| 641-774 | Chariton | N/A |
| 641-775 | Bristow | N/A |
| 641-776 | Chariton | 3/25/2022 |
| 641-777 | Ottumwa | N/A |
| 641-780 | Pella | N/A |
| 641-781 | Newton | N/A |
| 641-782 | Creston | N/A |
| 641-783 | Kellerton | N/A |
| 641-784 | Lamoni | N/A |
| 641-785 | Benton | N/A |
| 641-787 | Newton | N/A |
| 641-788 | Blockton | N/A |
| 641-790 | Sigourney | N/A |
| 641-791 | Newton | N/A |
| 641-792 | Newton | N/A |
| 641-793 | Reasnor | N/A |
| 641-794 | Dougherty | N/A |
| 641-795 | Little Cedar | 5/1/2006 |
| 641-796 | Reasnor | 4/27/2021 |
| 641-797 | Fertile | N/A |
| 641-798 | Killduff | N/A |
| 641-799 | Ottumwa | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-800 | Ackley | 2/16/2018 |
| 641-808 | Colo | 3/6/2018 |
| 641-812 | Hampton | 3/10/2010 |
| 641-814 | Ottumwa | N/A |
| 641-816 | Greene | N/A |
| 641-819 | Fairfield | 6/25/2015 |
| 641-820 | Knoxville | N/A |
| 641-821 | Grinnell | N/A |
| 641-822 | Rockwell | N/A |
| 641-823 | Greene | N/A |
| 641-826 | Little Cedar | 12/1/2005 |
| 641-827 | New Haven | 12/1/2005 |
| 641-828 | Knoxville | N/A |
| 641-829 | Ventura | N/A |
| 641-831 | Newton | N/A |
| 641-832 | Osage | 5/7/2002 |
| 641-834 | Lynnville | 2/14/2007 |
| 641-837 | Albia | 2/24/2022 |
| 641-840 | Newton | N/A |
| 641-841 | Newton | N/A |
| 641-842 | Knoxville | N/A |
| 641-843 | Britt | N/A |
| 641-844 | Marshalltown | N/A |
| 641-845 | Kensett | N/A |
| 641-846 | Ventura | 2/14/2007 |
| 641-847 | Ackley | N/A |
| 641-849 | Eldora | 7/17/2003 |
| 641-853 | Rowan | N/A |
| 641-854 | Marshalltown | 3/9/2015 |
| 641-856 | Centerville | N/A |
| 641-857 | Dumont | N/A |
| 641-858 | Eldora | N/A |
| 641-860 | Britt | N/A |
| 641-861 | Pella | N/A |
| 641-862 | Williamson | N/A |
| 641-863 | Britt | N/A |
| 641-864 | Hubbard | N/A |
| 641-865 | New Haven | 10/16/2006 |
| 641-866 | Coulter | N/A |
| 641-868 | Steamboat Rock | N/A |
| 641-869 | Wellsburg | N/A |
| 641-870 | Corydon | N/A |
| 641-871 | Knoxville | N/A |
| 641-872 | Corydon | N/A |
| 641-873 | Allerton | N/A |
| 641-874 | Promise City | N/A |
| 641-876 | Lineville | N/A |
| 641-877 | Humeston | N/A |
| 641-881 | Latimer | N/A |
| 641-887 | Sully | 2/14/2007 |
| 641-888 | Grinnell | N/A |
| 641-891 | Knoxville | N/A |
| 641-892 | Sheffield | N/A |
| 641-894 | Aredale | N/A |
| 641-895 | Centerville | N/A |
| 641-896 | Hanlontown | N/A |
| 641-897 | Millerton | N/A |
| 641-898 | Seymour | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 641-900 | Mona | 12/30/2019 |
| 641-903 | Mason City | 6/17/2005 |
| 641-909 | Lake Mills | 3/24/2006 |
| 641-916 | St Charles | 12/3/2021 |
| 641-919 | Fairfield | N/A |
| 641-920 | Steamboat Rock | N/A |
| 641-921 | Green Mountain | 3/8/2010 |
| 641-922 | Conrad | N/A |
| 641-923 | Garner | N/A |
| 641-924 | Garner | 3/10/2010 |
| 641-925 | Garner | 2/23/2012 |
| 641-926 | Woden | N/A |
| 641-927 | Miller | N/A |
| 641-929 | Mark | N/A |
| 641-931 | Albia | 7/17/2003 |
| 641-932 | Albia | N/A |
| 641-933 | Fremont | N/A |
| 641-934 | Bladensburg | N/A |
| 641-935 | Chillicoth | N/A |
| 641-936 | Douds | N/A |
| 641-937 | Agency | N/A |
| 641-938 | Blakesburg | N/A |
| 641-939 | Eldora | N/A |
| 641-942 | Milo | N/A |
| 641-943 | Attica | N/A |
| 641-944 | Bussey | N/A |
| 641-946 | Lovilia | N/A |
| 641-947 | Melcher | N/A |
| 641-948 | Stevens | N/A |
| 641-949 | Tracy | N/A |
| 641-954 | Ottumwa | N/A |
| 641-955 | Monroe | 7/21/2020 |
| 641-962 | New Haven | 10/16/2006 |
| 641-966 | Bladensburg | 2/28/2022 |
| 641-969 | Eddyville | N/A |
| 641-977 | New Sharon | 7/21/2020 |
| 641-980 | Ottumwa | N/A |
| 641-982 | New Haven | N/A |
| 641-983 | Little Cedar | N/A |
| 641-985 | Riceville | N/A |
| 641-990 | Grinnell | N/A |
| 641-992 | Little Cedar | 5/1/2006 |
| 641-995 | Swaledale | N/A |
| 641-997 | Ottumwa | 11/11/2024 |
| 641-998 | Thornton | N/A |
| 641-999 | Nashua | 2/16/2018 |
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: November 22, 2024
Cities in area code 641
| City1 | County | Time Zone2 |
|---|---|---|
| Ackley | Hardin | C |
| Adair | Adair | C |
| Afton | Union | C |
| Agency | Wapello | C |
| Albia | Monroe | C |
| Albion | Marshall | C |
| Alexander | Franklin | C |
| Allerton | Wayne | C |
| Alta Vista | Chickasaw | C |
| Aredale | Butler | C |
| Arispe | Union | C |
| Bagley | Guthrie | C |
| Barnes City | Mahaska | C |
| Batavia | Jefferson | C |
| Baxter | Jasper | C |
| Beacon | Mahaska | C |
| Beaman | Grundy | C |
| Belmond | Wright | C |
| Benton | Ringgold | C |
| Bevington | Madison | C |
| Blakesburg | Wapello | C |
| Blockton | Taylor | C |
| Bloomfield | Davis | C |
| Bradford | Franklin | C |
| Bridgewater | Adair | C |
| Bristow | Butler | C |
| Britt | Hancock | C |
| Brooklyn | Poweshiek | C |
| Buffalo Center | Winnebago | C |
| Bussey | Marion | C |
| Carbon | Adams | C |
| Carpenter | Mitchell | C |
| Casey | Guthrie | C |
| Cedar | Mahaska | C |
| Centerville | Appanoose | C |
| Chapin | Franklin | C |
| Chariton | Lucas | C |
| Charles City | Floyd | C |
| Chelsea | Tama | C |
| Chillicothe | Wapello | C |
| Cincinnati | Appanoose | C |
| Clear Lake | Cerro Gordo | C |
| Clearfield | Taylor | C |
| Clemons | Marshall | C |
| Clio | Wayne | C |
| Collins | Story | C |
| Colo | Story | C |
| Columbia | Marion | C |
| Colwell | Floyd | C |
| Conrad | Grundy | C |
| Corning | Adams | C |
| Corydon | Wayne | C |
| Coulter | Franklin | C |
| Creston | Union | C |
| Cromwell | Union | C |
| Crystal Lake | Hancock | C |
| Davis City | Decatur | C |
| Decatur | Decatur | C |
| Deep River | Poweshiek | C |
| Delta | Keokuk | C |
| Derby | Lucas | C |
| Diagonal | Ringgold | C |
| Douds | Van Buren | C |
| Dougherty | Cerro Gordo | C |
| Drakesville | Davis | C |
| Dumont | Butler | C |
| Eddyville | Wapello | C |
| Eldon | Wapello | C |
| Eldora | Hardin | C |
| Ellston | Ringgold | C |
| Elma | Howard | C |
| Exline | Appanoose | C |
| Fairfield | Jefferson | C |
| Ferguson | Marshall | C |
| Fertile | Worth | C |
| Floris | Davis | C |
| Floyd | Floyd | C |
| Fontanelle | Adair | C |
| Forest City | Winnebago | C |
| Fremont | Mahaska | C |
| Garden Grove | Decatur | C |
| Garner | Hancock | C |
| Garwin | Tama | C |
| Geneva | Franklin | C |
| Gibson | Keokuk | C |
| Gifford | Hardin | C |
| Gilman | Marshall | C |
| Gladbrook | Tama | C |
| Goodell | Hancock | C |
| Grafton | Worth | C |
| Grand River | Decatur | C |
| Greene | Butler | C |
| Greenfield | Adair | C |
| Grinnell | Poweshiek | C |
| Guthrie Center | Guthrie | C |
| Hamilton | Marion | C |
| Hampton | Franklin | C |
| Hanlontown | Worth | C |
| Harper | Keokuk | C |
| Harvey | Marion | C |
| Haverhill | Marshall | C |
| Hayesville | Keokuk | C |
| Hedrick | Keokuk | C |
| Hubbard | Hardin | C |
| Humeston | Wayne | C |
| Ionia | Chickasaw | C |
| Iowa Falls | Hardin | C |
| Ira | Jasper | C |
| Jamaica | Guthrie | C |
| Joice | Worth | C |
| Kanawha | Hancock | C |
| Kellerton | Ringgold | C |
| Kellogg | Jasper | C |
| Kensett | Worth | C |
| Keota | Keokuk | C |
| Killduff | Jasper | C |
| Kirkville | Wapello | C |
| Klemme | Hancock | C |
| Knoxville | Marion | C |
| Lacona | Warren | C |
| Lake Mills | Winnebago | C |
| Lamoni | Decatur | C |
| Latimer | Franklin | C |
| Laurel | Marshall | C |
| Le Grand | Marshall | C |
| Leighton | Mahaska | C |
| Leland | Winnebago | C |
| Lenox | Taylor | C |
| Leon | Decatur | C |
| Liberty Center | Warren | C |
| Libertyville | Jefferson | C |
| Lincoln | Tama | C |
| Linden | Dallas | C |
| Lineville | Wayne | C |
| Liscomb | Marshall | C |
| Little Cedar | Mitchell | C |
| Lorimor | Union | C |
| Lovilia | Monroe | C |
| Lucas | Lucas | C |
| Lynnville | Jasper | C |
| Macksburg | Madison | C |
| Malcom | Poweshiek | C |
| Manly | Worth | C |
| Marble Rock | Floyd | C |
| Marshalltown | Marshall | C |
| Martensdale | Warren | C |
| Martinsburg | Keokuk | C |
| Mason City | Cerro Gordo | C |
| Mc Intire | Mitchell | C |
| Melbourne | Marshall | C |
| Melcher-Dallas | Marion | C |
| Melrose | Monroe | C |
| Menlo | Guthrie | C |
| Meservey | Cerro Gordo | C |
| Millerton | Wayne | C |
| Milo | Warren | C |
| Milton | Van Buren | C |
| Mingo | Jasper | C |
| Monroe | Jasper | C |
| Montezuma | Poweshiek | C |
| Montour | Tama | C |
| Moravia | Appanoose | C |
| Moulton | Appanoose | C |
| Mount Ayr | Ringgold | C |
| Murray | Clarke | C |
| Mystic | Appanoose | C |
| Nashua | Chickasaw | C |
| New Hampton | Chickasaw | C |
| New Providence | Hardin | C |
| New Sharon | Mahaska | C |
| New Virginia | Warren | C |
| Newton | Jasper | C |
| Nora Springs | Floyd | C |
| North Washington | Chickasaw | C |
| Northwood | Worth | C |
| Ollie | Keokuk | C |
| Orchard | Mitchell | C |
| Orient | Adair | C |
| Osage | Mitchell | C |
| Osceola | Clarke | C |
| Oskaloosa | Mahaska | C |
| Otley | Marion | C |
| Ottumwa | Wapello | C |
| Panora | Guthrie | C |
| Patterson | Madison | C |
| Pella | Marion | C |
| Peru | Madison | C |
| Plano | Appanoose | C |
| Plymouth | Cerro Gordo | C |
| Prescott | Adams | C |
| Promise City | Wayne | C |
| Pulaski | Davis | C |
| Rake | Winnebago | C |
| Reasnor | Jasper | C |
| Redding | Ringgold | C |
| Rhodes | Marshall | C |
| Riceville | Howard | C |
| Rock Falls | Cerro Gordo | C |
| Rockford | Floyd | C |
| Rockwell | Cerro Gordo | C |
| Rose Hill | Mahaska | C |
| Rowan | Wright | C |
| Rudd | Floyd | C |
| Russell | Lucas | C |
| Scarville | Winnebago | C |
| Searsboro | Poweshiek | C |
| Selma | Van Buren | C |
| Seymour | Wayne | C |
| Shannon City | Union | C |
| Sharpsburg | Taylor | C |
| Sheffield | Franklin | C |
| Sigourney | Keokuk | C |
| St Ansgar | Mitchell | C |
| St Anthony | Marshall | C |
| St Charles | Madison | C |
| St Marys | Warren | C |
| Stacyville | Mitchell | C |
| State Center | Marshall | C |
| Steamboat Rock | Hardin | C |
| Sully | Jasper | C |
| Swaledale | Cerro Gordo | C |
| Tama | Tama | C |
| Thayer | Union | C |
| Thompson | Winnebago | C |
| Thornburg | Keokuk | C |
| Thornton | Cerro Gordo | C |
| Tingley | Ringgold | C |
| Toeterville | Mitchell | C |
| Toledo | Tama | C |
| Tracy | Marion | C |
| Truro | Madison | C |
| Udell | Appanoose | C |
| Union | Hardin | C |
| Unionville | Appanoose | C |
| University Park | Mahaska | C |
| Van Wert | Decatur | C |
| Ventura | Cerro Gordo | C |
| Vining | Tama | C |
| Weldon | Decatur | C |
| Wellsburg | Grundy | C |
| What Cheer | Keokuk | C |
| Whitten | Hardin | C |
| Williamson | Lucas | C |
| Woden | Hancock | C |
| Woodburn | Clarke | C |
| Yale | Guthrie | C |
| Zearing | Story | C |
- Listed above are most places served by USA area code 641. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- C stands for Central Time (currently ).