Phone Prefix
(925) 644-XXXX
CA • CONCORD
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CONCORD
Assigned To
BANDWIDTH.COM CLEC, LLC - CA
OCN
981E
Status
AS
Date Assigned
Jul 28, 2021
Number Range
First Number
(925) 644-0000
Last Number
(925) 644-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
39 reports
39
Total FCC + FTC DNC complaints for numbers in this prefix
Top 33 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (925) 644-5326 9256445326 | 3 |
| 2 | (925) 644-2377 9256442377 | 3 |
| 3 | (925) 644-5324 9256445324 | 2 |
| 4 | (925) 644-0507 9256440507 | 2 |
| 5 | (925) 644-2659 9256442659 | 1 |
| 6 | (925) 644-4087 9256444087 | 1 |
| 7 | (925) 644-4174 9256444174 | 1 |
| 8 | (925) 644-4329 9256444329 | 1 |
| 9 | (925) 644-4483 9256444483 | 1 |
| 10 | (925) 644-4532 9256444532 | 1 |
| 11 | (925) 644-4607 9256444607 | 1 |
| 12 | (925) 644-4709 9256444709 | 1 |
| 13 | (925) 644-4787 9256444787 | 1 |
| 14 | (925) 644-4791 9256444791 | 1 |
| 15 | (925) 644-5038 9256445038 | 1 |
| 16 | (925) 644-5068 9256445068 | 1 |
| 17 | (925) 644-5074 9256445074 | 1 |
| 18 | (925) 644-5090 9256445090 | 1 |
| 19 | (925) 644-5174 9256445174 | 1 |
| 20 | (925) 644-5213 9256445213 | 1 |
| 21 | (925) 644-5264 9256445264 | 1 |
| 22 | (925) 644-5269 9256445269 | 1 |
| 23 | (925) 644-5281 9256445281 | 1 |
| 24 | (925) 644-5325 9256445325 | 1 |
| 25 | (925) 644-5334 9256445334 | 1 |
| 26 | (925) 644-5470 9256445470 | 1 |
| 27 | (925) 644-6372 9256446372 | 1 |
| 28 | (925) 644-6541 9256446541 | 1 |
| 29 | (925) 644-8086 9256448086 | 1 |
| 30 | (925) 644-8798 9256448798 | 1 |
| 31 | (925) 644-0974 9256440974 | 1 |
| 32 | (925) 644-1419 9256441419 | 1 |
| 33 | (925) 644-1981 9256441981 | 1 |
About This Prefix
Phone numbers starting with (925) 644 are part of the North American Numbering Plan (NANP). The first three digits (925) represent the Area Code (NPA), and the next three digits (644) represent the Central Office Code (NXX) or exchange.
- NPA (925) - Numbering Plan Area, identifies the geographic region
- NXX (644) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)