Phone Prefix
(510) 631-XXXX
CA • OKLD BKLY
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
OKLD BKLY
Assigned To
ONVOY, LLC - CA
OCN
649C
Status
AS
Date Assigned
Dec 31, 2015
Number Range
First Number
(510) 631-0000
Last Number
(510) 631-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
20 reports
20
Total FCC + FTC DNC complaints for numbers in this prefix
Top 16 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 631-0963 5106310963 | 3 |
| 2 | (510) 631-0381 5106310381 | 2 |
| 3 | (510) 631-0108 5106310108 | 2 |
| 4 | (510) 631-0411 5106310411 | 1 |
| 5 | (510) 631-0467 5106310467 | 1 |
| 6 | (510) 631-0562 5106310562 | 1 |
| 7 | (510) 631-0701 5106310701 | 1 |
| 8 | (510) 631-0740 5106310740 | 1 |
| 9 | (510) 631-0762 5106310762 | 1 |
| 10 | (510) 631-0871 5106310871 | 1 |
| 11 | (510) 631-0895 5106310895 | 1 |
| 12 | (510) 631-0951 5106310951 | 1 |
| 13 | (510) 631-6350 5106316350 | 1 |
| 14 | (510) 631-8428 5106318428 | 1 |
| 15 | (510) 631-0125 5106310125 | 1 |
| 16 | (510) 631-0299 5106310299 | 1 |
About This Prefix
Phone numbers starting with (510) 631 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (631) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (631) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)