Phone Prefix
(312) 823-XXXX
IL • CHICGOZN01
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Jun 15, 2006
Number Range
First Number
(312) 823-0000
Last Number
(312) 823-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 823-1254 3128231254 | 1 |
| 2 | (312) 823-1699 3128231699 | 1 |
| 3 | (312) 823-4581 3128234581 | 1 |
| 4 | (312) 823-6387 3128236387 | 1 |
| 5 | (312) 823-8478 3128238478 | 1 |
| 6 | (312) 823-8902 3128238902 | 1 |
| 7 | (312) 823-9529 3128239529 | 1 |
About This Prefix
Phone numbers starting with (312) 823 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (823) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (823) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)