Phone Prefix
(312) 445-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
LEVEL 3 COMMUNICATIONS, LLC - IL
OCN
6115
Status
AS
Date Assigned
Sep 27, 2007
Number Range
First Number
(312) 445-0000
Last Number
(312) 445-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
37 reports
37
Total FCC + FTC DNC complaints for numbers in this prefix
Top 31 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 445-6709 3124456709 | 2 |
| 2 | (312) 445-8982 3124458982 | 2 |
| 3 | (312) 445-0158 3124450158 | 2 |
| 4 | (312) 445-0296 3124450296 | 2 |
| 5 | (312) 445-8941 3124458941 | 2 |
| 6 | (312) 445-0816 3124450816 | 1 |
| 7 | (312) 445-1962 3124451962 | 1 |
| 8 | (312) 445-2529 3124452529 | 1 |
| 9 | (312) 445-3506 3124453506 | 1 |
| 10 | (312) 445-4619 3124454619 | 1 |
| 11 | (312) 445-5038 3124455038 | 1 |
| 12 | (312) 445-5784 3124455784 | 1 |
| 13 | (312) 445-6127 3124456127 | 1 |
| 14 | (312) 445-6167 3124456167 | 1 |
| 15 | (312) 445-7650 3124457650 | 1 |
| 16 | (312) 445-7677 3124457677 | 1 |
| 17 | (312) 445-7942 3124457942 | 1 |
| 18 | (312) 445-8142 3124458142 | 1 |
| 19 | (312) 445-8717 3124458717 | 1 |
| 20 | (312) 445-8748 3124458748 | 1 |
| 21 | (312) 445-8788 3124458788 | 1 |
| 22 | (312) 445-8928 3124458928 | 1 |
| 23 | (312) 445-8967 3124458967 | 1 |
| 24 | (312) 445-9407 3124459407 | 1 |
| 25 | (312) 445-9606 3124459606 | 1 |
| 26 | (312) 445-0010 3124450010 | 1 |
| 27 | (312) 445-9910 3124459910 | 1 |
| 28 | (312) 445-0245 3124450245 | 1 |
| 29 | (312) 445-0309 3124450309 | 1 |
| 30 | (312) 445-0769 3124450769 | 1 |
| 31 | (312) 445-0776 3124450776 | 1 |
About This Prefix
Phone numbers starting with (312) 445 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (445) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (445) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)