Phone Prefix
(310) 404-XXXX
CA • CMTN GRDN
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CMTN GRDN
Assigned To
LEVEL 3 TELECOM OF CALIFORNIA, LP - CA
OCN
7718
Status
AS
Date Assigned
Mar 14, 2000
Number Range
First Number
(310) 404-0000
Last Number
(310) 404-9999
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) 404-0256 3104040256 | 1 |
| 2 | (310) 404-0423 3104040423 | 1 |
| 3 | (310) 404-0493 3104040493 | 1 |
| 4 | (310) 404-0728 3104040728 | 1 |
| 5 | (310) 404-0989 3104040989 | 1 |
| 6 | (310) 404-2601 3104042601 | 1 |
| 7 | (310) 404-3866 3104043866 | 1 |
| 8 | (310) 404-4949 3104044949 | 1 |
| 9 | (310) 404-6169 3104046169 | 1 |
| 10 | (310) 404-7464 3104047464 | 1 |
| 11 | (310) 404-8203 3104048203 | 1 |
| 12 | (310) 404-9695 3104049695 | 1 |
About This Prefix
Phone numbers starting with (310) 404 are part of the North American Numbering Plan (NANP). The first three digits (310) represent the Area Code (NPA), and the next three digits (404) represent the Central Office Code (NXX) or exchange.
- NPA (310) - Numbering Plan Area, identifies the geographic region
- NXX (404) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)