Phone Prefix
(312) 843-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Mar 17, 2014
Number Range
First Number
(312) 843-0000
Last Number
(312) 843-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 843-2238 3128432238 | 1 |
| 2 | (312) 843-2362 3128432362 | 1 |
| 3 | (312) 843-5169 3128435169 | 1 |
| 4 | (312) 843-5566 3128435566 | 1 |
| 5 | (312) 843-6671 3128436671 | 1 |
| 6 | (312) 843-6695 3128436695 | 1 |
| 7 | (312) 843-6866 3128436866 | 1 |
| 8 | (312) 843-6895 3128436895 | 1 |
| 9 | (312) 843-9243 3128439243 | 1 |
About This Prefix
Phone numbers starting with (312) 843 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (843) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (843) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)