Area code 557 is in Missouri, USA , spanning 1 county and serving 21 cities, including St Louis, University City or Mehlville; it currently uses 42 prefixes, assigned from 557-200-XXXX through 557-999-XXXX.
In service since August 12, 2022, area code 557 is an overlay Numbering Plan Area, part of overlay complex 314/557.
The current local time is .
NPANXX | Area Served1 | Date2 |
---|---|---|
557-200 | Ladue | 8/8/2022 |
557-201 | Kirkwood | 04/14/2023 |
557-202 | St Louis | 03/27/2023 |
557-203 | Mehlville | 05/19/2023 |
557-204 | St Louis | 05/22/2023 |
557-205 | St Louis | 06/01/2023 |
557-206 | St Louis | 06/01/2023 |
557-207 | Oakville | 06/15/2023 |
557-208 | Ladue | 09/07/2023 |
557-209 | Kirkwood | 02/29/2024 |
557-210 | Ladue | 09/21/2023 |
557-212 | Mehlville | 09/29/2023 |
557-213 | St Louis | 09/29/2023 |
557-214 | St Louis | 11/13/2023 |
557-215 | St Louis | 11/15/2023 |
557-216 | St Louis | 06/01/2023 |
557-217 | Sappington | 11/15/2023 |
557-218 | Ladue | 12/22/2023 |
557-219 | Ladue | 01/18/2024 |
557-220 | Creve Coeur | 01/23/2024 |
557-221 | Mehlville | 04/10/2024 |
557-222 | St Louis | 05/04/2023 |
557-223 | Ladue | 04/10/2024 |
557-224 | Creve Coeur | 12/15/2023 |
557-225 | Ladue | 04/10/2024 |
557-226 | Creve Coeur | 06/05/2024 |
557-227 | Kirkwood | 07/31/2024 |
557-273 | St Louis | 01/25/2023 |
557-362 | St Louis | 01/25/2023 |
557-454 | St Louis | 01/25/2023 |
557-467 | St Louis | 8/8/2022 |
557-500 | St Louis | 8/12/2022 |
557-507 | St Louis | 08/16/2023 |
557-557 | St Louis | 05/15/2023 |
557-567 | Kirkwood | 11/07/2024 |
557-653 | St Louis | 01/25/2023 |
557-747 | St Louis | 01/25/2023 |
557-777 | Creve Coeur | 8/24/2022 |
557-888 | Kirkwood | 9/16/2022 |
557-953 | St Louis | 01/25/2023 |
557-996 | St Louis | 01/25/2023 |
557-999 | Sappington | 9/16/2022 |
City1 | County | Time Zone2 |
---|---|---|
Affton | St Louis | C |
Bridgeton | St Louis | C |
Creve Coeur | St Louis | C |
Earth City | St Louis | C |
Ferguson | St Louis | C |
Florissant | St Louis | C |
Glencoe | St Louis | C |
Hazelwood | St Louis | C |
Kirkwood | St Louis | C |
Ladue | St Louis | C |
Maryland Heights | St Louis | C |
Mehlville | St Louis | C |
Oakville | St Louis | C |
Overland | St Louis | C |
Sappington | St Louis | C |
Spanish Lake | St Louis | C |
St Ann | St Louis | C |
St Louis | St Louis | C |
University City | St Louis | C |
Valley Park | St Louis | C |
Webster Groves | St Louis | C |