Phone Prefix
(313) 331-XXXX
MI • DETROITZN2
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
DETROITZN2
Assigned To
MICHIGAN BELL TEL CO
OCN
9323
Status
RT
Number Range
First Number
(313) 331-0000
Last Number
(313) 331-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
30 reports
30
Total FCC + FTC DNC complaints for numbers in this prefix
Top 29 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (313) 331-6507 3133316507 | 2 |
| 2 | (313) 331-0457 3133310457 | 1 |
| 3 | (313) 331-0623 3133310623 | 1 |
| 4 | (313) 331-1847 3133311847 | 1 |
| 5 | (313) 331-2040 3133312040 | 1 |
| 6 | (313) 331-2959 3133312959 | 1 |
| 7 | (313) 331-3179 3133313179 | 1 |
| 8 | (313) 331-3667 3133313667 | 1 |
| 9 | (313) 331-4103 3133314103 | 1 |
| 10 | (313) 331-4107 3133314107 | 1 |
| 11 | (313) 331-4512 3133314512 | 1 |
| 12 | (313) 331-4857 3133314857 | 1 |
| 13 | (313) 331-6285 3133316285 | 1 |
| 14 | (313) 331-6387 3133316387 | 1 |
| 15 | (313) 331-6402 3133316402 | 1 |
| 16 | (313) 331-6406 3133316406 | 1 |
| 17 | (313) 331-6465 3133316465 | 1 |
| 18 | (313) 331-6469 3133316469 | 1 |
| 19 | (313) 331-6581 3133316581 | 1 |
| 20 | (313) 331-6592 3133316592 | 1 |
| 21 | (313) 331-6734 3133316734 | 1 |
| 22 | (313) 331-6840 3133316840 | 1 |
| 23 | (313) 331-6846 3133316846 | 1 |
| 24 | (313) 331-6892 3133316892 | 1 |
| 25 | (313) 331-6970 3133316970 | 1 |
| 26 | (313) 331-6999 3133316999 | 1 |
| 27 | (313) 331-7807 3133317807 | 1 |
| 28 | (313) 331-0129 3133310129 | 1 |
| 29 | (313) 331-8094 3133318094 | 1 |
About This Prefix
Phone numbers starting with (313) 331 are part of the North American Numbering Plan (NANP). The first three digits (313) represent the Area Code (NPA), and the next three digits (331) represent the Central Office Code (NXX) or exchange.
- NPA (313) - Numbering Plan Area, identifies the geographic region
- NXX (331) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)