Phone Prefix
(831) 731-XXXX
CA • CASTROVL
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
CASTROVL
Assigned To
NEW CINGULAR WIRELESS PCS, LLC
OCN
6010
Status
AS
Date Assigned
Aug 17, 2010
Number Range
First Number
(831) 731-0000
Last Number
(831) 731-9999
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 | (831) 731-2753 8317312753 | 2 |
| 2 | (831) 731-1732 8317311732 | 1 |
| 3 | (831) 731-4006 8317314006 | 1 |
| 4 | (831) 731-4078 8317314078 | 1 |
| 5 | (831) 731-4975 8317314975 | 1 |
| 6 | (831) 731-5423 8317315423 | 1 |
| 7 | (831) 731-5840 8317315840 | 1 |
| 8 | (831) 731-7162 8317317162 | 1 |
| 9 | (831) 731-8005 8317318005 | 1 |
| 10 | (831) 731-8151 8317318151 | 1 |
| 11 | (831) 731-9330 8317319330 | 1 |
| 12 | (831) 731-0498 8317310498 | 1 |
| 13 | (831) 731-9903 8317319903 | 1 |
About This Prefix
Phone numbers starting with (831) 731 are part of the North American Numbering Plan (NANP). The first three digits (831) represent the Area Code (NPA), and the next three digits (731) represent the Central Office Code (NXX) or exchange.
- NPA (831) - Numbering Plan Area, identifies the geographic region
- NXX (731) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)