Missouri
Area code 557
Area code 557 covers St. Louis, Ladue, Kirkwood, Creve Coeur, Mehlville and more in Missouri, in the Central time zone. It has been in service since 2022. It shares its area with 314 (an overlay).
Most reported 557 numbers
Carriers in 557
Line types
Counted over the exchanges, from the carrier each was assigned to.
Cities in area code 557
Every 557 exchange
The first six digits of a number. Each one with 3 or more flagged numbers has its own page: who it was assigned to and the numbers in it.
| Exchange | City | Carrier | Type | Flagged |
|---|---|---|---|---|
| 557-200 | Ladue | Onvoy (Sinch) | VoIP | 0 |
| 557-201 | Kirkwood | AT&T | VoIP | 0 |
| 557-202 | St. Louis | Comcast (Xfinity) | VoIP | 0 |
| 557-203 | Mehlville | T-Mobile | Wireless | 0 |
| 557-204 | St. Louis | Five9 | Landline | 0 |
| 557-205 | St. Louis | AT&T | VoIP | 0 |
| 557-206 | St. Louis | AT&T | VoIP | 0 |
| 557-207 | Oak Grove Village | Five9 | Landline | 0 |
| 557-208 | Ladue | Onvoy (Sinch) | VoIP | 0 |
| 557-209 | Kirkwood | Onvoy (Sinch) | VoIP | 0 |
| 557-210 | Ladue | Verizon Wireless | Wireless | 0 |
| 557-212 | Mehlville | T-Mobile | Wireless | 0 |
| 557-213 | St. Louis | AT&T Mobility | Wireless | 0 |
| 557-214 | St. Louis | AT&T Mobility | Wireless | 0 |
| 557-215 | St. Louis | Callworks | Landline | 0 |
| 557-216 | St. Louis | AT&T | VoIP | 0 |
| 557-217 | AT&T Mobility | Wireless | 0 | |
| 557-218 | Ladue | AT&T Mobility | Wireless | 0 |
| 557-219 | Ladue | Verizon Wireless | Wireless | 0 |
| 557-220 | Creve Coeur | AT&T Mobility | Wireless | 0 |
| 557-221 | Mehlville | Onvoy (Sinch) | VoIP | 0 |
| 557-222 | St. Louis | Leap Telecom | Landline | 0 |
| 557-223 | Ladue | Verizon Wireless | Wireless | 0 |
| 557-224 | Creve Coeur | AT&T | VoIP | 0 |
| 557-225 | Ladue | AT&T Mobility | Wireless | 0 |
| 557-226 | Creve Coeur | Onvoy (Sinch) | VoIP | 0 |
| 557-227 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-228 | St. Louis | Verizon Wireless | Wireless | 0 |
| 557-229 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-230 | AT&T Mobility | Wireless | 0 | |
| 557-231 | St. Louis | AT&T | VoIP | 0 |
| 557-232 | Ladue | Verizon Wireless | Wireless | 0 |
| 557-233 | St. Louis | Boost Subscriberco | Landline | 0 |
| 557-234 | St. Louis | AT&T Mobility | Wireless | 0 |
| 557-235 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-236 | Ladue | Verizon Wireless | Wireless | 0 |
| 557-237 | Ladue | AT&T Mobility | Wireless | 0 |
| 557-238 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-239 | St. Louis | Verizon Wireless | Wireless | 0 |
| 557-240 | Ladue | AT&T | VoIP | 0 |
| 557-241 | Ladue | Onvoy (Sinch) | VoIP | 0 |
| 557-242 | St. Louis | Onvoy (Sinch) | VoIP | 0 |
| 557-243 | St. Louis | AT&T Mobility | Wireless | 0 |
| 557-244 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-245 | St. Louis | AT&T | VoIP | 0 |
| 557-246 | St. Louis | Wavenation | Landline | 0 |
| 557-247 | Mehlville | AT&T Mobility | Wireless | 0 |
| 557-248 | St. Louis | E. Ritter Communications | Landline | 0 |
| 557-249 | Ladue | Onvoy (Sinch) | VoIP | 0 |
| 557-250 | St. Louis | Tpx Communications | Landline | 0 |
| 557-251 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-252 | St. Louis | Shelcomm | Landline | 0 |
| 557-253 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-254 | Ladue | AT&T Mobility | Wireless | 0 |
| 557-255 | Ladue | Onvoy (Sinch) | VoIP | 0 |
| 557-256 | Mehlville | Onvoy (Sinch) | VoIP | 0 |
| 557-257 | Creve Coeur | Onvoy (Sinch) | VoIP | 0 |
| 557-258 | Oak Grove Village | Onvoy (Sinch) | VoIP | 0 |
| 557-259 | Onvoy (Sinch) | VoIP | 0 | |
| 557-260 | Ladue | Verizon Wireless | Wireless | 0 |
| 557-261 | Kirkwood | AT&T Mobility | Wireless | 0 |
| 557-262 | St. Louis | AT&T Mobility | Wireless | 0 |
| 557-263 | St. Louis | AT&T Mobility | Wireless | 0 |
| 557-264 | Ladue | AT&T Mobility | Wireless | 0 |
| 557-265 | St. Louis | Onvoy (Sinch) | VoIP | 0 |
| 557-273 | St. Louis | AT&T | VoIP | 0 |
| 557-333 | Onvoy (Sinch) | VoIP | 0 | |
| 557-362 | St. Louis | AT&T | VoIP | 0 |
| 557-444 | Creve Coeur | Onvoy (Sinch) | VoIP | 0 |
| 557-454 | St. Louis | AT&T | VoIP | 0 |
| 557-467 | St. Louis | Onvoy (Sinch) | VoIP | 0 |
| 557-500 | St. Louis | Onvoy (Sinch) | VoIP | 0 |
| 557-507 | St. Louis | Onvoy (Sinch) | VoIP | 0 |
| 557-557 | St. Louis | Onvoy (Sinch) | VoIP | 0 |
| 557-567 | Kirkwood | Onvoy (Sinch) | VoIP | 0 |
| 557-653 | St. Louis | AT&T | VoIP | 0 |
| 557-666 | Kirkwood | Onvoy (Sinch) | VoIP | 0 |
| 557-747 | St. Louis | AT&T | VoIP | 0 |
| 557-777 | Creve Coeur | Terra Nova Telecom | Landline | 0 |
| 557-880 | St. Louis | 8X8 | VoIP | 0 |
| 557-888 | Kirkwood | Terra Nova Telecom | Landline | 0 |
| 557-953 | St. Louis | AT&T | VoIP | 0 |
| 557-996 | St. Louis | AT&T | VoIP | 0 |
| 557-999 | Wiretap Telecom | Landline | 0 |
Area code 557 questions
Where is area code 557?
Area code 557 is in Missouri. Its biggest rate centers are St. Louis, Ladue, Kirkwood, Creve Coeur, Mehlville.
What time zone is area code 557?
Area code 557 is in the Central time zone.
Is a call from area code 557 a scam?
An area code alone can't tell you. Scammers use and spoof numbers in every area code. Look up the full number to see its reports and FTC/FCC complaints.
What carriers use area code 557?
Of its 84 exchanges, the most were assigned to AT&T Mobility, Onvoy (Sinch), AT&T. Numbers can be ported to any carrier, so the exchange shows the original carrier only.
What area codes overlay 557?
557 shares its area with 314. In an overlay, new numbers get the newer codes and you dial all ten digits.