Phone Prefix
(312) 472-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
ILLINOIS BELL TEL CO
OCN
9329
Status
AS
Date Assigned
Nov 03, 2005
Number Range
First Number
(312) 472-0000
Last Number
(312) 472-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
8 reports
8
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 472-0069 3124720069 | 1 |
| 2 | (312) 472-1620 3124721620 | 1 |
| 3 | (312) 472-2010 3124722010 | 1 |
| 4 | (312) 472-4007 3124724007 | 1 |
| 5 | (312) 472-4540 3124724540 | 1 |
| 6 | (312) 472-5364 3124725364 | 1 |
| 7 | (312) 472-8165 3124728165 | 1 |
| 8 | (312) 472-9302 3124729302 | 1 |
About This Prefix
Phone numbers starting with (312) 472 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (472) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (472) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)