Phone Prefix
(313) 203-XXXX
MI • DETROITZN6
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
DETROITZN6
Assigned To
TELEPORT COMMUNICATIONS AMERICA, LLC - MI
OCN
770E
Status
RT
Number Range
First Number
(313) 203-0000
Last Number
(313) 203-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 12 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (313) 203-0145 3132030145 | 1 |
| 2 | (313) 203-0985 3132030985 | 1 |
| 3 | (313) 203-2790 3132032790 | 1 |
| 4 | (313) 203-6800 3132036800 | 1 |
| 5 | (313) 203-8242 3132038242 | 1 |
| 6 | (313) 203-8249 3132038249 | 1 |
| 7 | (313) 203-8352 3132038352 | 1 |
| 8 | (313) 203-8534 3132038534 | 1 |
| 9 | (313) 203-8542 3132038542 | 1 |
| 10 | (313) 203-8543 3132038543 | 1 |
| 11 | (313) 203-8699 3132038699 | 1 |
| 12 | (313) 203-8912 3132038912 | 1 |
About This Prefix
Phone numbers starting with (313) 203 are part of the North American Numbering Plan (NANP). The first three digits (313) represent the Area Code (NPA), and the next three digits (203) represent the Central Office Code (NXX) or exchange.
- NPA (313) - Numbering Plan Area, identifies the geographic region
- NXX (203) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)