Phone Prefix
(650) 574-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) 574-0000
Last Number
(650) 574-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 13 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 574-2743 6505742743 | 2 |
| 2 | (650) 574-1643 6505741643 | 1 |
| 3 | (650) 574-1940 6505741940 | 1 |
| 4 | (650) 574-2662 6505742662 | 1 |
| 5 | (650) 574-4534 6505744534 | 1 |
| 6 | (650) 574-5381 6505745381 | 1 |
| 7 | (650) 574-5952 6505745952 | 1 |
| 8 | (650) 574-7184 6505747184 | 1 |
| 9 | (650) 574-7221 6505747221 | 1 |
| 10 | (650) 574-7819 6505747819 | 1 |
| 11 | (650) 574-8249 6505748249 | 1 |
| 12 | (650) 574-1430 6505741430 | 1 |
| 13 | (650) 574-9945 6505749945 | 1 |
About This Prefix
Phone numbers starting with (650) 574 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (574) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (574) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)