Phone Prefix
(510) 574-XXXX
CA • FRNK MAIN
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
FRNK MAIN
Assigned To
PACIFIC BELL
OCN
9740
Status
RT
Number Range
First Number
(510) 574-0000
Last Number
(510) 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 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 574-1815 5105741815 | 1 |
| 2 | (510) 574-1939 5105741939 | 1 |
| 3 | (510) 574-2110 5105742110 | 1 |
| 4 | (510) 574-3233 5105743233 | 1 |
| 5 | (510) 574-3459 5105743459 | 1 |
| 6 | (510) 574-7573 5105747573 | 1 |
| 7 | (510) 574-7833 5105747833 | 1 |
| 8 | (510) 574-8632 5105748632 | 1 |
| 9 | (510) 574-8701 5105748701 | 1 |
| 10 | (510) 574-9032 5105749032 | 1 |
| 11 | (510) 574-9142 5105749142 | 1 |
| 12 | (510) 574-9387 5105749387 | 1 |
| 13 | (510) 574-9556 5105749556 | 1 |
| 14 | (510) 574-9737 5105749737 | 1 |
About This Prefix
Phone numbers starting with (510) 574 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (574) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (574) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)