Phone Prefix
(557) 204-XXXX
MO • ST LOUIS
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Carrier Information
NANPA
State
MO
Region
SW
Rate Center
ST LOUIS
Assigned To
FIVE9, INC.
OCN
598J
Status
AS
Date Assigned
May 22, 2023
Number Range
First Number
(557) 204-0000
Last Number
(557) 204-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (557) 204-0088 5572040088 | 1 |
| 2 | (557) 204-1393 5572041393 | 1 |
| 3 | (557) 204-5229 5572045229 | 1 |
| 4 | (557) 204-6074 5572046074 | 1 |
| 5 | (557) 204-6109 5572046109 | 1 |
| 6 | (557) 204-7136 5572047136 | 1 |
| 7 | (557) 204-7531 5572047531 | 1 |
About This Prefix
Phone numbers starting with (557) 204 are part of the North American Numbering Plan (NANP). The first three digits (557) represent the Area Code (NPA), and the next three digits (204) represent the Central Office Code (NXX) or exchange.
- NPA (557) - Numbering Plan Area, identifies the geographic region
- NXX (204) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)