Phone Prefix
(557) 557-XXXX
MO • ST LOUIS
Search Number in This Prefix
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Carrier Information
NANPA
State
MO
Region
SW
Rate Center
ST LOUIS
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO
OCN
7432
Status
AS
Date Assigned
Jun 22, 2023
Number Range
First Number
(557) 557-0000
Last Number
(557) 557-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
19 reports
19
Total FCC + FTC DNC complaints for numbers in this prefix
Top 15 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (557) 557-1797 5575571797 | 3 |
| 2 | (557) 557-9452 5575579452 | 3 |
| 3 | (557) 557-4296 5575574296 | 1 |
| 4 | (557) 557-5789 5575575789 | 1 |
| 5 | (557) 557-5857 5575575857 | 1 |
| 6 | (557) 557-5859 5575575859 | 1 |
| 7 | (557) 557-5883 5575575883 | 1 |
| 8 | (557) 557-5977 5575575977 | 1 |
| 9 | (557) 557-8133 5575578133 | 1 |
| 10 | (557) 557-8164 5575578164 | 1 |
| 11 | (557) 557-8381 5575578381 | 1 |
| 12 | (557) 557-8708 5575578708 | 1 |
| 13 | (557) 557-9285 5575579285 | 1 |
| 14 | (557) 557-9413 5575579413 | 1 |
| 15 | (557) 557-2105 5575572105 | 1 |
About This Prefix
Phone numbers starting with (557) 557 are part of the North American Numbering Plan (NANP). The first three digits (557) represent the Area Code (NPA), and the next three digits (557) represent the Central Office Code (NXX) or exchange.
- NPA (557) - Numbering Plan Area, identifies the geographic region
- NXX (557) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)