Phone Prefix
(510) 957-XXXX
CA • OKLD TRNID
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
OKLD TRNID
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
RT
Number Range
First Number
(510) 957-0000
Last Number
(510) 957-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 957-4725 5109574725 | 2 |
| 2 | (510) 957-2234 5109572234 | 2 |
| 3 | (510) 957-3499 5109573499 | 1 |
| 4 | (510) 957-4754 5109574754 | 1 |
| 5 | (510) 957-6242 5109576242 | 1 |
| 6 | (510) 957-0260 5109570260 | 1 |
| 7 | (510) 957-8051 5109578051 | 1 |
| 8 | (510) 957-2034 5109572034 | 1 |
About This Prefix
Phone numbers starting with (510) 957 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (957) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (957) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)