Phone Prefix
(313) 870-XXXX
MI • DETROITZN1
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
DETROITZN1
Assigned To
MICHIGAN BELL TEL CO
OCN
9323
Status
RT
Number Range
First Number
(313) 870-0000
Last Number
(313) 870-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (313) 870-9331 3138709331 | 3 |
| 2 | (313) 870-1032 3138701032 | 1 |
| 3 | (313) 870-1054 3138701054 | 1 |
| 4 | (313) 870-2222 3138702222 | 1 |
| 5 | (313) 870-8774 3138708774 | 1 |
About This Prefix
Phone numbers starting with (313) 870 are part of the North American Numbering Plan (NANP). The first three digits (313) represent the Area Code (NPA), and the next three digits (870) represent the Central Office Code (NXX) or exchange.
- NPA (313) - Numbering Plan Area, identifies the geographic region
- NXX (870) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)