Phone Prefix
(231) 821-XXXX
MI • HOLTON
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
HOLTON
Assigned To
FRONTIER NORTH, INC. - MI
OCN
0695
Status
RT
Number Range
First Number
(231) 821-0000
Last Number
(231) 821-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
18 reports
18
Total FCC + FTC DNC complaints for numbers in this prefix
Top 17 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (231) 821-5674 2318215674 | 2 |
| 2 | (231) 821-2233 2318212233 | 1 |
| 3 | (231) 821-3254 2318213254 | 1 |
| 4 | (231) 821-3434 2318213434 | 1 |
| 5 | (231) 821-3590 2318213590 | 1 |
| 6 | (231) 821-3653 2318213653 | 1 |
| 7 | (231) 821-3862 2318213862 | 1 |
| 8 | (231) 821-4756 2318214756 | 1 |
| 9 | (231) 821-4989 2318214989 | 1 |
| 10 | (231) 821-5027 2318215027 | 1 |
| 11 | (231) 821-5245 2318215245 | 1 |
| 12 | (231) 821-7057 2318217057 | 1 |
| 13 | (231) 821-7262 2318217262 | 1 |
| 14 | (231) 821-7423 2318217423 | 1 |
| 15 | (231) 821-9067 2318219067 | 1 |
| 16 | (231) 821-1802 2318211802 | 1 |
| 17 | (231) 821-9608 2318219608 | 1 |
About This Prefix
Phone numbers starting with (231) 821 are part of the North American Numbering Plan (NANP). The first three digits (231) represent the Area Code (NPA), and the next three digits (821) represent the Central Office Code (NXX) or exchange.
- NPA (231) - Numbering Plan Area, identifies the geographic region
- NXX (821) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)