Phone Prefix
(650) 571-XXXX
CA • SAN MATEO
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SAN MATEO
Assigned To
PACIFIC BELL
OCN
9740
Status
RT
Number Range
First Number
(650) 571-0000
Last Number
(650) 571-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 571-1061 6505711061 | 1 |
| 2 | (650) 571-2360 6505712360 | 1 |
| 3 | (650) 571-5240 6505715240 | 1 |
| 4 | (650) 571-5964 6505715964 | 1 |
| 5 | (650) 571-7091 6505717091 | 1 |
| 6 | (650) 571-7431 6505717431 | 1 |
| 7 | (650) 571-9579 6505719579 | 1 |
About This Prefix
Phone numbers starting with (650) 571 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (571) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (571) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)