Phone Prefix
(657) 357-XXXX
CA • SANTA ANA
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SANTA ANA
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Oct 04, 2018
Number Range
First Number
(657) 357-0000
Last Number
(657) 357-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (657) 357-3065 6573573065 | 1 |
| 2 | (657) 357-3513 6573573513 | 1 |
| 3 | (657) 357-6264 6573576264 | 1 |
| 4 | (657) 357-6478 6573576478 | 1 |
| 5 | (657) 357-7089 6573577089 | 1 |
| 6 | (657) 357-7254 6573577254 | 1 |
| 7 | (657) 357-7306 6573577306 | 1 |
| 8 | (657) 357-7491 6573577491 | 1 |
| 9 | (657) 357-7547 6573577547 | 1 |
| 10 | (657) 357-7817 6573577817 | 1 |
| 11 | (657) 357-8524 6573578524 | 1 |
| 12 | (657) 357-9087 6573579087 | 1 |
| 13 | (657) 357-9323 6573579323 | 1 |
| 14 | (657) 357-9651 6573579651 | 1 |
About This Prefix
Phone numbers starting with (657) 357 are part of the North American Numbering Plan (NANP). The first three digits (657) represent the Area Code (NPA), and the next three digits (357) represent the Central Office Code (NXX) or exchange.
- NPA (657) - Numbering Plan Area, identifies the geographic region
- NXX (357) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)