Phone Prefix
(312) 973-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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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) 973-0000
Last Number
(312) 973-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 973-1265 3129731265 | 1 |
| 2 | (312) 973-1545 3129731545 | 1 |
| 3 | (312) 973-1590 3129731590 | 1 |
| 4 | (312) 973-1726 3129731726 | 1 |
| 5 | (312) 973-1874 3129731874 | 1 |
| 6 | (312) 973-2026 3129732026 | 1 |
| 7 | (312) 973-3293 3129733293 | 1 |
| 8 | (312) 973-4052 3129734052 | 1 |
| 9 | (312) 973-4592 3129734592 | 1 |
| 10 | (312) 973-4928 3129734928 | 1 |
| 11 | (312) 973-4937 3129734937 | 1 |
| 12 | (312) 973-5319 3129735319 | 1 |
| 13 | (312) 973-5879 3129735879 | 1 |
| 14 | (312) 973-6105 3129736105 | 1 |
About This Prefix
Phone numbers starting with (312) 973 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (973) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (973) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)