Phone Prefix
(312) 409-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
Jan 06, 2016
Number Range
First Number
(312) 409-0000
Last Number
(312) 409-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 409-0069 3124090069 | 1 |
| 2 | (312) 409-0432 3124090432 | 1 |
| 3 | (312) 409-0708 3124090708 | 1 |
| 4 | (312) 409-1207 3124091207 | 1 |
| 5 | (312) 409-4106 3124094106 | 1 |
| 6 | (312) 409-4905 3124094905 | 1 |
About This Prefix
Phone numbers starting with (312) 409 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (409) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (409) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)