557 area code: where it is and which numbers are reported
557 covers St. Louis, Florissant and Hazelwood in Missouri. 20 numbers in it drew 22 complaints between Oct 2, 2025 and Oct 31, 2026.
About area code 557
Reported 557 numbers
Most reported first. A number links to its own page once it has complaints from two or more days.
When 557 numbers were reported
Complaints a month, last 13 months
| March 2026: 1 |
| April 2026: 1 |
| July 2026: 4 |
| August 2026: 4 |
| September 2026: 6 |
| October 2026: 6 |
Hour of day, as reported in complaints
| 1 am: 1 |
| 5 am: 2 |
| 7 am: 1 |
| 9 am: 2 |
| 10 am: 5 |
| 12 pm: 4 |
| 1 pm: 2 |
| 3 pm: 1 |
| 4 pm: 1 |
| 5 pm: 1 |
| 7 pm: 1 |
The most reported 557 prefixes
Complaints by the three digits after the area code.
- (557) 999
- 314%
- (557) 204
- 29%
- (557) 467
- 29%
- (557) 500
- 29%
- (557) 200
- 15%
557 numbers that unwanted calls gave to contact
Numbers in this area code that complaints named as the number a call or text asked people to contact.
Towns and cities in area code 557
4 places its numbers are assigned to, the ones with the most numbers first.
- St. Louis
- Florissant
- Hazelwood
- Bridgeton
Check a number
Enter a number. Bewary checks it against FTC and FCC scam and robocall complaints and its scam lists.
Sources
Complaints consumers filed with the FCC and FTC, Oct 2, 2025 to Oct 31, 2026. Bewary counts the reports and does not check each one. Scammers can fake the number that shows on your phone, so a reported number may belong to someone who never called you.