Phone Prefix
(312) 477-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - IL
OCN
6115
Status
AS
Date Assigned
Apr 01, 2011
Number Range
First Number
(312) 477-0000
Last Number
(312) 477-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
36 reports
36
Total FCC + FTC DNC complaints for numbers in this prefix
Top 28 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 477-0335 3124770335 | 5 |
| 2 | (312) 477-3416 3124773416 | 4 |
| 3 | (312) 477-0340 3124770340 | 2 |
| 4 | (312) 477-0969 3124770969 | 1 |
| 5 | (312) 477-2595 3124772595 | 1 |
| 6 | (312) 477-2842 3124772842 | 1 |
| 7 | (312) 477-2927 3124772927 | 1 |
| 8 | (312) 477-3020 3124773020 | 1 |
| 9 | (312) 477-3197 3124773197 | 1 |
| 10 | (312) 477-3405 3124773405 | 1 |
| 11 | (312) 477-3440 3124773440 | 1 |
| 12 | (312) 477-3796 3124773796 | 1 |
| 13 | (312) 477-3984 3124773984 | 1 |
| 14 | (312) 477-4068 3124774068 | 1 |
| 15 | (312) 477-5010 3124775010 | 1 |
| 16 | (312) 477-5401 3124775401 | 1 |
| 17 | (312) 477-6337 3124776337 | 1 |
| 18 | (312) 477-6806 3124776806 | 1 |
| 19 | (312) 477-7004 3124777004 | 1 |
| 20 | (312) 477-7190 3124777190 | 1 |
| 21 | (312) 477-7835 3124777835 | 1 |
| 22 | (312) 477-8149 3124778149 | 1 |
| 23 | (312) 477-8360 3124778360 | 1 |
| 24 | (312) 477-8937 3124778937 | 1 |
| 25 | (312) 477-0129 3124770129 | 1 |
| 26 | (312) 477-9236 3124779236 | 1 |
| 27 | (312) 477-0457 3124770457 | 1 |
| 28 | (312) 477-0594 3124770594 | 1 |
About This Prefix
Phone numbers starting with (312) 477 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (477) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (477) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)