Phone Prefix
(310) 428-XXXX
CA • SNMN SNMN
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
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) 428-0000
Last Number
(310) 428-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
28 reports
28
Total FCC + FTC DNC complaints for numbers in this prefix
Top 23 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (310) 428-8215 3104288215 | 3 |
| 2 | (310) 428-8900 3104288900 | 2 |
| 3 | (310) 428-5874 3104285874 | 2 |
| 4 | (310) 428-4192 3104284192 | 2 |
| 5 | (310) 428-2770 3104282770 | 1 |
| 6 | (310) 428-3757 3104283757 | 1 |
| 7 | (310) 428-4169 3104284169 | 1 |
| 8 | (310) 428-4830 3104284830 | 1 |
| 9 | (310) 428-4882 3104284882 | 1 |
| 10 | (310) 428-5295 3104285295 | 1 |
| 11 | (310) 428-6133 3104286133 | 1 |
| 12 | (310) 428-6139 3104286139 | 1 |
| 13 | (310) 428-7144 3104287144 | 1 |
| 14 | (310) 428-7436 3104287436 | 1 |
| 15 | (310) 428-7485 3104287485 | 1 |
| 16 | (310) 428-7598 3104287598 | 1 |
| 17 | (310) 428-7825 3104287825 | 1 |
| 18 | (310) 428-9613 3104289613 | 1 |
| 19 | (310) 428-0816 3104280816 | 1 |
| 20 | (310) 428-9756 3104289756 | 1 |
| 21 | (310) 428-1370 3104281370 | 1 |
| 22 | (310) 428-1399 3104281399 | 1 |
| 23 | (310) 428-2387 3104282387 | 1 |
About This Prefix
Phone numbers starting with (310) 428 are part of the North American Numbering Plan (NANP). The first three digits (310) represent the Area Code (NPA), and the next three digits (428) represent the Central Office Code (NXX) or exchange.
- NPA (310) - Numbering Plan Area, identifies the geographic region
- NXX (428) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)