Phone Prefix
(231) 923-XXXX
MI • HART
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
HART
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
OCN
6003
Status
AS
Date Assigned
Sep 20, 2013
Number Range
First Number
(231) 923-0000
Last Number
(231) 923-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (231) 923-4085 2319234085 | 1 |
| 2 | (231) 923-4110 2319234110 | 1 |
| 3 | (231) 923-4121 2319234121 | 1 |
| 4 | (231) 923-4455 2319234455 | 1 |
| 5 | (231) 923-4952 2319234952 | 1 |
| 6 | (231) 923-5068 2319235068 | 1 |
| 7 | (231) 923-5970 2319235970 | 1 |
| 8 | (231) 923-6025 2319236025 | 1 |
| 9 | (231) 923-7197 2319237197 | 1 |
| 10 | (231) 923-8466 2319238466 | 1 |
| 11 | (231) 923-8922 2319238922 | 1 |
About This Prefix
Phone numbers starting with (231) 923 are part of the North American Numbering Plan (NANP). The first three digits (231) represent the Area Code (NPA), and the next three digits (923) represent the Central Office Code (NXX) or exchange.
- NPA (231) - Numbering Plan Area, identifies the geographic region
- NXX (923) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)