Phone Prefix
(831) 533-XXXX
CA • BOULDERCRK
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
BOULDERCRK
Assigned To
IP HORIZON LLC
OCN
515J
Status
AS
Date Assigned
Aug 17, 2016
Number Range
First Number
(831) 533-0000
Last Number
(831) 533-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (831) 533-0725 8315330725 | 1 |
| 2 | (831) 533-0980 8315330980 | 1 |
| 3 | (831) 533-2678 8315332678 | 1 |
| 4 | (831) 533-3249 8315333249 | 1 |
About This Prefix
Phone numbers starting with (831) 533 are part of the North American Numbering Plan (NANP). The first three digits (831) represent the Area Code (NPA), and the next three digits (533) represent the Central Office Code (NXX) or exchange.
- NPA (831) - Numbering Plan Area, identifies the geographic region
- NXX (533) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)