Phone Prefix
(475) 257-XXXX
CT • NORWALK
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Carrier Information
NANPA
State
CT
Region
NE
Rate Center
NORWALK
Assigned To
CSC WIRELESS, LLC
OCN
425J
Status
AS
Date Assigned
May 07, 2019
Number Range
First Number
(475) 257-0000
Last Number
(475) 257-9999
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 | (475) 257-2030 4752572030 | 1 |
| 2 | (475) 257-2242 4752572242 | 1 |
| 3 | (475) 257-3110 4752573110 | 1 |
| 4 | (475) 257-3168 4752573168 | 1 |
| 5 | (475) 257-3647 4752573647 | 1 |
| 6 | (475) 257-3671 4752573671 | 1 |
| 7 | (475) 257-3815 4752573815 | 1 |
About This Prefix
Phone numbers starting with (475) 257 are part of the North American Numbering Plan (NANP). The first three digits (475) represent the Area Code (NPA), and the next three digits (257) represent the Central Office Code (NXX) or exchange.
- NPA (475) - Numbering Plan Area, identifies the geographic region
- NXX (257) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)