Phone Prefix
(310) 505-XXXX
CA • CMTN GRDN
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CMTN GRDN
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(310) 505-0000
Last Number
(310) 505-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 12 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (310) 505-0005 3105050005 | 1 |
| 2 | (310) 505-0599 3105050599 | 1 |
| 3 | (310) 505-2003 3105052003 | 1 |
| 4 | (310) 505-2349 3105052349 | 1 |
| 5 | (310) 505-2699 3105052699 | 1 |
| 6 | (310) 505-4780 3105054780 | 1 |
| 7 | (310) 505-5187 3105055187 | 1 |
| 8 | (310) 505-5700 3105055700 | 1 |
| 9 | (310) 505-7373 3105057373 | 1 |
| 10 | (310) 505-7824 3105057824 | 1 |
| 11 | (310) 505-7963 3105057963 | 1 |
| 12 | (310) 505-9400 3105059400 | 1 |
About This Prefix
Phone numbers starting with (310) 505 are part of the North American Numbering Plan (NANP). The first three digits (310) represent the Area Code (NPA), and the next three digits (505) represent the Central Office Code (NXX) or exchange.
- NPA (310) - Numbering Plan Area, identifies the geographic region
- NXX (505) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)