Phone Prefix
(310) 403-XXXX
CA • SNMN SNMN
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SNMN SNMN
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(310) 403-0000
Last Number
(310) 403-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (310) 403-6458 3104036458 | 2 |
| 2 | (310) 403-3368 3104033368 | 1 |
| 3 | (310) 403-3614 3104033614 | 1 |
| 4 | (310) 403-3665 3104033665 | 1 |
| 5 | (310) 403-4023 3104034023 | 1 |
| 6 | (310) 403-5032 3104035032 | 1 |
| 7 | (310) 403-5107 3104035107 | 1 |
| 8 | (310) 403-5898 3104035898 | 1 |
| 9 | (310) 403-7212 3104037212 | 1 |
| 10 | (310) 403-2164 3104032164 | 1 |
| 11 | (310) 403-8049 3104038049 | 1 |
About This Prefix
Phone numbers starting with (310) 403 are part of the North American Numbering Plan (NANP). The first three digits (310) represent the Area Code (NPA), and the next three digits (403) represent the Central Office Code (NXX) or exchange.
- NPA (310) - Numbering Plan Area, identifies the geographic region
- NXX (403) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)