Area code 779 is in Illinois, USA , spanning 24 counties and serving 248 cities, including Joliet, Dekalb or Crystal Lake; it currently uses 311 prefixes, assigned from 779-200-XXXX through 779-999-XXXX.
In service since March 17, 2007, area code 779 is an overlay Numbering Plan Area, part of overlay complex 815/779.
The current local time is .
NPANXX | Area Served1 | Date2 |
---|---|---|
779-200 | Rockford | 1/18/2011 |
779-201 | La Salle | 3/15/2012 |
779-202 | Galena | 3/6/2012 |
779-203 | Rockford | 10/13/2011 |
779-204 | Verona | 3/19/2014 |
779-205 | Joliet | 5/30/2012 |
779-206 | Joliet | 6/20/2012 |
779-207 | Rockford | N/A |
779-208 | Rockford | 11/16/2012 |
779-209 | Sandwich | 8/31/2012 |
779-210 | Rockford | 9/16/2011 |
779-212 | De Kalb | 3/13/2013 |
779-213 | Oglesby | 4/9/2013 |
779-214 | Galena | 12/17/2009 |
779-215 | Tonica | 4/9/2013 |
779-216 | Frankfort | 4/9/2013 |
779-217 | De Kalb | 05/19/2023 |
779-218 | Watseka | 4/9/2013 |
779-219 | Braidwood | 08/11/2023 |
779-220 | Crystal Lake | 5/25/2011 |
779-221 | Rockford | 4/2/2010 |
779-222 | Sycamore | 8/5/2010 |
779-223 | Onarga | 3/23/2016 |
779-224 | Momence | 06/08/2023 |
779-225 | Joliet | 9/21/2011 |
779-226 | Polo | 4/24/2013 |
779-227 | Joliet | 7/1/2014 |
779-228 | Mazon | 4/10/2013 |
779-229 | Depue | 5/7/2013 |
779-230 | Joliet | 9/28/2016 |
779-231 | Joliet | 12/21/2015 |
779-232 | Wilmington | 6/7/2007 |
779-233 | Joliet | 7/21/2011 |
779-234 | Plainfield | 8/1/2013 |
779-235 | Crescent City | 2/4/2011 |
779-236 | Kankakee | 7/27/2011 |
779-237 | Streator | 1/8/2018 |
779-238 | Rockford | 4/4/2017 |
779-239 | Princeton | 1/14/2016 |
779-240 | Kankakee | 6/11/2014 |
779-241 | Morris | 6/1/2017 |
779-242 | Joliet | 10/5/2017 |
779-243 | Frankfort | 10/5/2017 |
779-244 | Mchenry | 10/5/2017 |
779-245 | Sterling | 7/14/2008 |
779-246 | Rochelle | 10/23/2017 |
779-247 | Woodstock | 12/1/2017 |
779-248 | Galena | 6/3/2016 |
779-249 | Dwight | 2/22/2018 |
779-250 | Sterling | 2/27/2018 |
779-251 | Dixon | 4/1/2014 |
779-252 | Plainfield | 1/6/2016 |
779-253 | South Beloit | 10/7/2014 |
779-254 | Frankfort | 9/1/2015 |
779-255 | De Kalb | 5/16/2018 |
779-256 | Rockford | 6/5/2018 |
779-257 | Wilmington | 7/11/2018 |
779-258 | Herscher | 8/27/2018 |
779-259 | Manteno | 8/27/2018 |
779-260 | Joliet | 10/8/2018 |
779-261 | Fairbury | 11/30/2018 |
779-262 | Oglesby | 12/5/2018 |
779-263 | Plainfield | 1/2/2018 |
779-264 | Kankakee | 10/7/2019 |
779-265 | Mchenry | 10/8/2019 |
779-266 | Lanark | 12/9/2019 |
779-267 | Joliet | 1/17/2020 |
779-268 | St Anne | 2/6/2020 |
779-269 | Rockford | 2/10/2020 |
779-270 | De Kalb | 2/19/2020 |
779-271 | Lanark | 4/29/2020 |
779-272 | Rockford | 5/1/2020 |
779-273 | Danforth | 5/28/2020 |
779-274 | Rockford | 6/26/2020 |
779-275 | Rockford | 7/28/2020 |
779-276 | De Kalb | 7/28/2020 |
779-277 | Flanagan | 8/12/2020 |
779-278 | Grand Ridge | 3/18/2021 |
779-279 | Joliet | 10/29/2008 |
779-280 | Donovan | 8/25/2020 |
779-281 | Toluca | 8/12/2020 |
779-282 | Martinton | 8/25/2020 |
779-283 | Richmond | 8/25/2020 |
779-284 | Sheldon | 8/25/2020 |
779-285 | Sheridan | 8/25/2020 |
779-286 | Spring Grove | 8/25/2020 |
779-287 | Union | 3/24/2016 |
779-288 | Beaverville | 6/2/2021 |
779-289 | South Beloit | 9/1/2020 |
779-290 | Milford | 9/2/2020 |
779-291 | Wonder Lake | 9/4/2020 |
779-292 | Onarga | 9/4/2020 |
779-293 | New Lenox | 9/4/2020 |
779-294 | Harding | 9/4/2020 |
779-295 | Mazon | 9/4/2020 |
779-296 | Long Point | 9/8/2020 |
779-297 | Sterling | 9/15/2020 |
779-298 | Forrest | 9/15/2020 |
779-299 | Wenona | 9/17/2020 |
NPANXX | Area Served1 | Date2 |
---|---|---|
779-300 | Rockford | 2/17/2011 |
779-301 | Kankakee | 6/11/2014 |
779-302 | Woodstock | 2/27/2015 |
779-303 | Plainfield | N/A |
779-304 | Rutland | 9/17/2020 |
779-305 | Reddick | 9/17/2020 |
779-306 | Pontiac | 9/17/2020 |
779-307 | Lostant | 9/17/2020 |
779-308 | Chatsworth | 9/17/2020 |
779-309 | South Sharon | 06/13/2023 |
779-310 | New Milford | 9/17/2020 |
779-312 | Woodstock | 06/21/2023 |
779-313 | Cherry Valley | 9/17/2020 |
779-314 | Rock Cut | 9/17/2020 |
779-315 | Roscoe | 9/17/2020 |
779-316 | Creston | 9/17/2020 |
779-317 | Kirkland | 9/17/2020 |
779-318 | Malta | 9/17/2020 |
779-319 | Maple Park | 9/17/2020 |
779-320 | Monroe Center | 9/17/2020 |
779-321 | Shabbona | 9/17/2020 |
779-322 | Thomas | 9/17/2020 |
779-323 | Rockford | 9/30/2020 |
779-324 | Frankfort | 8/17/2010 |
779-325 | Franklin Grove | 11/25/2020 |
779-326 | Dwight | 12/10/2020 |
779-327 | Warren | 6/10/2021 |
779-328 | Hanover | 6/10/2021 |
779-329 | Mendota | 6/10/2021 |
779-330 | Belvidere | 6/22/2021 |
779-331 | Kankakee | 07/18/2023 |
779-332 | Durand | 6/10/2021 |
779-333 | Frankfort | 4/11/2013 |
779-334 | De Kalb | 11/4/2020 |
779-335 | Rockford | 6/23/2021 |
779-336 | Woodstock | 2/10/2021 |
779-337 | Woodland | 6/24/2021 |
779-338 | Crescent City | 6/24/2021 |
779-339 | Frankfort | 10/19/2021 |
779-340 | Coal City | 11/22/2021 |
779-341 | Joliet | 12/29/2021 |
779-342 | Dwight | 7/14/2021 |
779-343 | German Valley | 11/4/2021 |
779-344 | Seward | 11/4/2021 |
779-345 | Byron | 7/27/2020 |
779-346 | Capron | 9/18/2020 |
779-347 | Winslow | 11/4/2021 |
779-348 | Rockford | 6/13/2007 |
779-349 | Spring Valley | 1/11/2022 |
779-350 | Momence | 10/3/2022 |
779-351 | Rockford | 2/25/2022 |
779-352 | Waterman | 1/28/2022 |
779-353 | Forreston | 3/31/2022 |
779-354 | Davis | 3/31/2022 |
779-355 | Harmon | 3/31/2022 |
779-356 | Crystal Lake | 7/14/2020 |
779-357 | Leaf River | 4/12/2022 |
779-358 | Plainfield | 10/18/2022 |
779-359 | Belvidere | 11/15/2022 |
779-360 | Momence | 12/29/2022 |
779-361 | Kankakee | 01/03/2023 |
779-362 | Fairbury | 01/19/2023 |
779-363 | Rockford | 02/08/2023 |
779-364 | Streator | 02/08/2023 |
779-365 | De Kalb | 02/15/2023 |
779-366 | Rockford | 03/08/2023 |
779-367 | Sycamore | 03/10/2023 |
779-368 | New Milford | 8/21/2007 |
779-369 | Momence | 03/16/2023 |
779-370 | Rockford | 04/18/2023 |
779-371 | Momence | 07/18/2023 |
779-372 | Dixon | 07/20/2023 |
779-373 | Rockford | 07/20/2023 |
779-374 | Joliet | 07/26/2023 |
779-375 | Joliet | 07/26/2023 |
779-376 | Grant Park | 08/11/2023 |
779-377 | South Beloit | 9/13/2021 |
779-378 | Mchenry | 08/18/2023 |
779-379 | Joliet | 10/29/2008 |
779-380 | Momence | 09/06/2023 |
779-381 | La Salle | 10/19/2023 |
779-382 | Genoa | 5/7/2007 |
779-383 | Momence | 10/30/2023 |
779-384 | Harvard | 01/09/2024 |
779-385 | Momence | 02/06/2024 |
779-386 | Princeton | 02/08/2024 |
779-387 | Poplar Grove | 03/21/2024 |
779-388 | Crystal Lake | 03/22/2024 |
779-389 | Garden Prairie | 4/19/2021 |
779-390 | Lockport | 03/27/2024 |
779-391 | New Lenox | 03/29/2024 |
779-392 | Oglesby | 03/29/2024 |
779-393 | Watseka | 03/29/2024 |
779-394 | Wellington | 03/29/2024 |
779-395 | Minooka | 04/02/2024 |
779-396 | Woodstock | 04/05/2024 |
779-397 | Cabery | 05/03/2023 |
779-398 | Pontiac | 05/14/2024 |
779-399 | Kinsman | 1/8/2021 |
NPANXX | Area Served1 | Date2 |
---|---|---|
779-400 | De Kalb | 2/17/2011 |
779-401 | Kankakee | 04/11/2024 |
779-402 | Momence | 04/30/2024 |
779-403 | Mchenry | 06/25/2024 |
779-404 | Rochelle | 07/08/2024 |
779-405 | Rockford | 09/19/2024 |
779-406 | Momence | 10/21/2024 |
779-410 | Stockton | 3/30/2021 |
779-423 | Rockford | 8/8/2007 |
779-426 | Manhattan | 1/13/2022 |
779-429 | Wilmington | 11/13/2008 |
779-432 | Sheffield | 3/27/2007 |
779-435 | Joliet | 11/13/2006 |
779-444 | Wonder Lake | 8/17/2010 |
779-445 | Lockport | 11/8/2022 |
779-456 | Joliet | 1/9/2008 |
779-463 | Morris | 3/23/2022 |
779-465 | Braidwood | 10/10/2019 |
779-466 | Emington | 1/26/2022 |
779-475 | South Beloit | 3/27/2007 |
779-479 | Graymont | 4/18/2021 |
779-499 | Freeport | 9/13/2021 |
NPANXX | Area Served1 | Date2 |
---|---|---|
779-600 | Cissna Park | 8/8/2019 |
779-601 | La Salle | 9/10/2014 |
779-624 | Momence | 1/13/2022 |
779-625 | Woodstock | 2/23/2022 |
779-639 | Mchenry | 1/13/2022 |
779-666 | Rockford | 10/3/2017 |
779-675 | Ohio | 1/13/2022 |
779-677 | Freeport | 7/27/2020 |
779-678 | Rockford | 1/12/2021 |
779-679 | Magnolia | 4/18/2021 |
779-696 | Rockford | 8/18/2010 |
779-699 | South Beloit | 7/17/2020 |
NPANXX | Area Served1 | Date2 |
---|---|---|
779-701 | Kankakee | 1/28/2015 |
779-702 | Joliet | 6/11/2014 |
779-703 | Joliet | 10/7/2013 |
779-704 | Mchenry | 10/31/2013 |
779-706 | Sandwich | 2/24/2015 |
779-707 | Joliet | 4/21/2015 |
779-710 | Rockford | 3/18/2021 |
779-713 | Woodstock | 5/22/2015 |
779-717 | Spring Valley | 10/15/2015 |
779-722 | Ashton | 9/18/2020 |
779-729 | Lena | 4/13/2021 |
779-732 | La Salle | 2/10/2021 |
779-739 | Forrest | 2/14/2022 |
779-746 | Cissna Park | 1/13/2022 |
779-749 | Steward | 4/13/2021 |
779-758 | Joliet | 10/11/2019 |
779-759 | Sycamore | 4/13/2021 |
779-766 | Depue | 7/14/2020 |
779-770 | Rockford | 11/18/2008 |
779-771 | Rockford | 11/18/2008 |
779-772 | Rockford | 11/18/2008 |
779-774 | Rockford | 2/1/2012 |
779-775 | De Kalb | 9/13/2021 |
779-777 | De Kalb | 10/22/2008 |
779-778 | Winnebago | 5/28/2020 |
779-783 | Stockland | 1/13/2022 |
779-788 | Pecatonica | 1/28/2021 |
779-789 | Rockton | 4/19/2021 |
779-790 | Sterling | 04/12/2023 |
779-797 | Rockford | 9/23/2021 |
779-799 | Coleta | 7/27/2020 |
NPANXX | Area Served1 | Date2 |
---|---|---|
779-800 | Crystal Lake | 4/11/2013 |
779-801 | Kankakee | 9/7/2016 |
779-803 | New Lenox | 8/16/2013 |
779-804 | Pontiac | 2/24/2015 |
779-809 | Fulton | 3/28/2022 |
779-832 | Cedar Point | 1/13/2022 |
779-837 | Elwood | 1/7/2022 |
779-855 | Forrest | 3/31/2021 |
779-861 | Dixon | 5/26/2010 |
779-867 | Rockford | 4/12/2021 |
779-875 | Joliet | 7/12/2007 |
779-877 | Verona | 7/14/2020 |
779-879 | Streator | 4/18/2021 |
779-888 | Rockford | 1/28/2015 |
779-895 | Rockford | 2/1/2022 |
779-899 | Lisbon | 7/14/2020 |
NPANXX | Area Served1 | Date2 |
---|---|---|
779-900 | Frankfort | 9/17/2019 |
779-901 | Marengo | 4/30/2015 |
779-902 | De Kalb | 3/19/2021 |
779-903 | Braidwood | 7/29/2013 |
779-904 | Freeport | 3/24/2021 |
779-910 | De Kalb | 3/18/2021 |
779-915 | Woodstock | 11/16/2016 |
779-922 | Hooppole | 7/27/2020 |
779-927 | Marengo | 1/13/2022 |
779-931 | Sandwich | 10/27/2016 |
779-933 | Hinckley | 7/27/2020 |
779-939 | Joliet | 2/3/2016 |
779-946 | Granville | 7/14/2020 |
779-970 | Rockford | 9/14/2015 |
779-977 | Harvard | 7/14/2020 |
779-978 | Sandwich | 6/4/2015 |
779-979 | Piper City | 4/19/2021 |
779-990 | Forrest | 4/12/2021 |
779-991 | Leland | 8/12/2020 |
779-994 | Crystal Lake | 4/10/2013 |
779-997 | Plattville | 1/13/2022 |
779-999 | Newark | 9/24/2010 |
City1 | County | Time Zone2 |
---|---|---|
Alden | McHenry | C |
Amboy | Lee | C |
Ancona | Livingston | C |
Apple River | Jo Daviess | C |
Arlington | Bureau | C |
Aroma Park | Kankakee | C |
Ashkum | Iroquois | C |
Ashton | Lee | C |
Baileyville | Ogle | C |
Beaverville | Iroquois | C |
Belvidere | Boone | C |
Blackstone | Livingston | C |
Bonfield | Kankakee | C |
Bourbonnais | Kankakee | C |
Braceville | Grundy | C |
Bradley | Kankakee | C |
Braidwood | Will | C |
Buckingham | Kankakee | C |
Bureau | Bureau | C |
Byron | Ogle | C |
Cabery | Ford | C |
Caledonia | Boone | C |
Campus | Livingston | C |
Capron | Boone | C |
Cedar Point | La Salle | C |
Cedarville | Stephenson | C |
Chadwick | Carroll | C |
Chana | Ogle | C |
Channahon | Will | C |
Chatsworth | Livingston | C |
Chebanse | Iroquois | C |
Chenoa | McLean | C |
Cherry | Bureau | C |
Cherry Valley | Winnebago | C |
Cissna Park | Iroquois | C |
Clare | Dekalb | C |
Claytonville | Iroquois | C |
Clifton | Iroquois | C |
Coal City | Grundy | C |
Compton | Lee | C |
Cornell | Livingston | C |
Cortland | Dekalb | C |
Crescent City | Iroquois | C |
Creston | Ogle | C |
Crystal Lake | McHenry | C |
Cullom | Livingston | C |
Dakota | Stephenson | C |
Dalzell | Bureau | C |
Dana | La Salle | C |
Danforth | Iroquois | C |
Davis | Stephenson | C |
Davis Junction | Ogle | C |
Deer Grove | Whiteside | C |
Dekalb | Dekalb | C |
Depue | Bureau | C |
Dixon | Lee | C |
Donovan | Iroquois | C |
Dover | Bureau | C |
Durand | Winnebago | C |
Dwight | Livingston | C |
Earlville | La Salle | C |
East Dubuque | Jo Daviess | C |
Eldena | Lee | C |
Eleroy | Stephenson | C |
Elizabeth | Jo Daviess | C |
Elwood | Will | C |
Emington | Livingston | C |
Esmond | Dekalb | C |
Essex | Kankakee | C |
Fairbury | Livingston | C |
Flanagan | Livingston | C |
Forrest | Livingston | C |
Forreston | Ogle | C |
Frankfort | Will | C |
Franklin Grove | Lee | C |
Freeport | Stephenson | C |
Fulton | Whiteside | C |
Galena | Jo Daviess | C |
Galt | Whiteside | C |
Garden Prairie | Boone | C |
Gardner | Grundy | C |
Genoa | Dekalb | C |
German Valley | Stephenson | C |
Gilman | Iroquois | C |
Goodwine | Iroquois | C |
Grand Ridge | La Salle | C |
Grant Park | Kankakee | C |
Granville | Putnam | C |
Graymont | Livingston | C |
Hanover | Jo Daviess | C |
Harmon | Lee | C |
Harvard | McHenry | C |
Hebron | McHenry | C |
Hennepin | Putnam | C |
Herscher | Kankakee | C |
Hinckley | Dekalb | C |
Holcomb | Ogle | C |
Homer Glen | Will | C |
Hooppole | Henry | C |
Hopkins Park | Kankakee | C |
Iroquois | Iroquois | C |
Joliet | Will | C |
Kankakee | Kankakee | C |
Kasbeer | Bureau | C |
Kempton | Ford | C |
Kent | Stephenson | C |
Kingston | Dekalb | C |
Kinsman | Grundy | C |
Kirkland | Dekalb | C |
La Moille | Bureau | C |
La Salle | La Salle | C |
Ladd | Bureau | C |
Lanark | Carroll | C |
Leaf River | Ogle | C |
Lee | Lee | C |
Lee Center | Lee | C |
Leland | La Salle | C |
Lena | Stephenson | C |
Leonore | La Salle | C |
Lindenwood | Ogle | C |
Lockport | Will | C |
Long Point | Livingston | C |
Lostant | La Salle | C |
Loves Park | Winnebago | C |
Lyndon | Whiteside | C |
Machesney Park | Winnebago | C |
Magnolia | Putnam | C |
Malden | Bureau | C |
Malta | Dekalb | C |
Manhattan | Will | C |
Manlius | Bureau | C |
Manteno | Kankakee | C |
Maple Park | Kane | C |
Marengo | McHenry | C |
Mark | Putnam | C |
Marseilles | La Salle | C |
Martinton | Iroquois | C |
Mazon | Grundy | C |
Mc Connell | Stephenson | C |
Mc Nabb | Putnam | C |
McHenry | McHenry | C |
Mendota | La Salle | C |
Milford | Iroquois | C |
Milledgeville | Carroll | C |
Millington | Kendall | C |
Minooka | Grundy | C |
Momence | Kankakee | C |
Monroe Center | Ogle | C |
Morris | Grundy | C |
Morrison | Whiteside | C |
Mount Carroll | Carroll | C |
Mount Morris | Ogle | C |
Nachusa | Lee | C |
New Bedford | Bureau | C |
New Lenox | Will | C |
Newark | Kendall | C |
Nora | Jo Daviess | C |
Odell | Livingston | C |
Oglesby | La Salle | C |
Ohio | Bureau | C |
Onarga | Iroquois | C |
Orangeville | Stephenson | C |
Oregon | Ogle | C |
Ottawa | La Salle | C |
Papineau | Iroquois | C |
Paw Paw | Lee | C |
Pearl City | Stephenson | C |
Pecatonica | Winnebago | C |
Peru | La Salle | C |
Piper City | Ford | C |
Plainfield | Will | C |
Polo | Ogle | C |
Pontiac | Livingston | C |
Poplar Grove | Boone | C |
Princeton | Bureau | C |
Prophetstown | Whiteside | C |
Putnam | Putnam | C |
Ransom | La Salle | C |
Reddick | Kankakee | C |
Richmond | McHenry | C |
Ridott | Stephenson | C |
Ringwood | McHenry | C |
Rochelle | Ogle | C |
Rock City | Stephenson | C |
Rock Falls | Whiteside | C |
Rockford | Winnebago | C |
Rockton | Winnebago | C |
Romeoville | Will | C |
Roscoe | Winnebago | C |
Rutland | La Salle | C |
Sandwich | Dekalb | C |
Saunemin | Livingston | C |
Savanna | Carroll | C |
Scales Mound | Jo Daviess | C |
Seatonville | Bureau | C |
Seneca | La Salle | C |
Serena | La Salle | C |
Seward | Winnebago | C |
Shabbona | Dekalb | C |
Shannon | Carroll | C |
Sheffield | Bureau | C |
Sheldon | Iroquois | C |
Sheridan | La Salle | C |
Shirland | Winnebago | C |
Somonauk | Dekalb | C |
South Beloit | Winnebago | C |
South Wilmington | Grundy | C |
Spring Grove | McHenry | C |
Spring Valley | Bureau | C |
St Anne | Kankakee | C |
Standard | Putnam | C |
Sterling | Whiteside | C |
Steward | Lee | C |
Stillman Valley | Ogle | C |
Stockland | Iroquois | C |
Stockton | Jo Daviess | C |
Strawn | Livingston | C |
Streator | La Salle | C |
Sublette | Lee | C |
Sycamore | Dekalb | C |
Tampico | Whiteside | C |
Thomson | Carroll | C |
Tiskilwa | Bureau | C |
Toluca | Marshall | C |
Tonica | La Salle | C |
Triumph | La Salle | C |
Troy Grove | La Salle | C |
Union | McHenry | C |
Union Hill | Kankakee | C |
Utica | La Salle | C |
Van Orin | Bureau | C |
Verona | Grundy | C |
Walnut | Bureau | C |
Warren | Jo Daviess | C |
Waterman | Dekalb | C |
Watseka | Iroquois | C |
Wedron | La Salle | C |
Wellington | Iroquois | C |
Wenona | Marshall | C |
West Brooklyn | Lee | C |
Wilmington | Will | C |
Winnebago | Winnebago | C |
Winslow | Stephenson | C |
Wonder Lake | McHenry | C |
Woodland | Iroquois | C |
Woodstock | McHenry | C |
Woosung | Ogle | C |
Wyanet | Bureau | C |