Phone Prefix
(424) 521-XXXX
CA • CMTN CMTN
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CMTN CMTN
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Apr 13, 2015
Number Range
First Number
(424) 521-0000
Last Number
(424) 521-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (424) 521-1569 4245211569 | 1 |
| 2 | (424) 521-1586 4245211586 | 1 |
| 3 | (424) 521-1892 4245211892 | 1 |
| 4 | (424) 521-3060 4245213060 | 1 |
| 5 | (424) 521-6111 4245216111 | 1 |
About This Prefix
Phone numbers starting with (424) 521 are part of the North American Numbering Plan (NANP). The first three digits (424) represent the Area Code (NPA), and the next three digits (521) represent the Central Office Code (NXX) or exchange.
- NPA (424) - Numbering Plan Area, identifies the geographic region
- NXX (521) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)