Phone Prefix
(650) 257-XXXX
CA • REDWOOD CY
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
REDWOOD CY
Assigned To
BANDWIDTH.COM CLEC, LLC - CA
OCN
981E
Status
AS
Date Assigned
Mar 22, 2011
Number Range
First Number
(650) 257-0000
Last Number
(650) 257-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
55 reports
55
Total FCC + FTC DNC complaints for numbers in this prefix
Top 39 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 257-3341 6502573341 | 5 |
| 2 | (650) 257-7220 6502577220 | 5 |
| 3 | (650) 257-1837 6502571837 | 3 |
| 4 | (650) 257-2138 6502572138 | 3 |
| 5 | (650) 257-2611 6502572611 | 2 |
| 6 | (650) 257-2349 6502572349 | 2 |
| 7 | (650) 257-9121 6502579121 | 2 |
| 8 | (650) 257-1945 6502571945 | 2 |
| 9 | (650) 257-1957 6502571957 | 1 |
| 10 | (650) 257-2002 6502572002 | 1 |
| 11 | (650) 257-2096 6502572096 | 1 |
| 12 | (650) 257-2232 6502572232 | 1 |
| 13 | (650) 257-2581 6502572581 | 1 |
| 14 | (650) 257-2823 6502572823 | 1 |
| 15 | (650) 257-2831 6502572831 | 1 |
| 16 | (650) 257-2969 6502572969 | 1 |
| 17 | (650) 257-3054 6502573054 | 1 |
| 18 | (650) 257-3162 6502573162 | 1 |
| 19 | (650) 257-3163 6502573163 | 1 |
| 20 | (650) 257-3395 6502573395 | 1 |
| 21 | (650) 257-3457 6502573457 | 1 |
| 22 | (650) 257-3473 6502573473 | 1 |
| 23 | (650) 257-3515 6502573515 | 1 |
| 24 | (650) 257-4242 6502574242 | 1 |
| 25 | (650) 257-6390 6502576390 | 1 |
| 26 | (650) 257-7143 6502577143 | 1 |
| 27 | (650) 257-7807 6502577807 | 1 |
| 28 | (650) 257-7930 6502577930 | 1 |
| 29 | (650) 257-8104 6502578104 | 1 |
| 30 | (650) 257-8289 6502578289 | 1 |
| 31 | (650) 257-0097 6502570097 | 1 |
| 32 | (650) 257-9556 6502579556 | 1 |
| 33 | (650) 257-0486 6502570486 | 1 |
| 34 | (650) 257-1838 6502571838 | 1 |
| 35 | (650) 257-1839 6502571839 | 1 |
| 36 | (650) 257-1940 6502571940 | 1 |
| 37 | (650) 257-1942 6502571942 | 1 |
| 38 | (650) 257-1944 6502571944 | 1 |
| 39 | (650) 257-1946 6502571946 | 1 |
About This Prefix
Phone numbers starting with (650) 257 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (257) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (257) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)