Phone Prefix
(231) 531-XXXX
MI • MUSKEGON
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
MUSKEGON
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Status
AS
Date Assigned
Sep 09, 2019
Number Range
First Number
(231) 531-0000
Last Number
(231) 531-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (231) 531-6767 2315316767 | 1 |
| 2 | (231) 531-8036 2315318036 | 1 |
| 3 | (231) 531-8236 2315318236 | 1 |
| 4 | (231) 531-8693 2315318693 | 1 |
| 5 | (231) 531-8948 2315318948 | 1 |
About This Prefix
Phone numbers starting with (231) 531 are part of the North American Numbering Plan (NANP). The first three digits (231) represent the Area Code (NPA), and the next three digits (531) represent the Central Office Code (NXX) or exchange.
- NPA (231) - Numbering Plan Area, identifies the geographic region
- NXX (531) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)