Phone Prefix
(312) 870-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
BANDWIDTH.COM CLEC, LLC - IL
OCN
984E
Status
AS
Date Assigned
Feb 02, 2010
Number Range
First Number
(312) 870-0000
Last Number
(312) 870-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
26 reports
26
Total FCC + FTC DNC complaints for numbers in this prefix
Top 22 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 870-7585 3128707585 | 5 |
| 2 | (312) 870-0281 3128700281 | 1 |
| 3 | (312) 870-1032 3128701032 | 1 |
| 4 | (312) 870-1493 3128701493 | 1 |
| 5 | (312) 870-2196 3128702196 | 1 |
| 6 | (312) 870-3021 3128703021 | 1 |
| 7 | (312) 870-4102 3128704102 | 1 |
| 8 | (312) 870-4249 3128704249 | 1 |
| 9 | (312) 870-4398 3128704398 | 1 |
| 10 | (312) 870-4683 3128704683 | 1 |
| 11 | (312) 870-4932 3128704932 | 1 |
| 12 | (312) 870-5082 3128705082 | 1 |
| 13 | (312) 870-6773 3128706773 | 1 |
| 14 | (312) 870-6804 3128706804 | 1 |
| 15 | (312) 870-6937 3128706937 | 1 |
| 16 | (312) 870-7042 3128707042 | 1 |
| 17 | (312) 870-7580 3128707580 | 1 |
| 18 | (312) 870-7591 3128707591 | 1 |
| 19 | (312) 870-8178 3128708178 | 1 |
| 20 | (312) 870-8281 3128708281 | 1 |
| 21 | (312) 870-0113 3128700113 | 1 |
| 22 | (312) 870-9735 3128709735 | 1 |
About This Prefix
Phone numbers starting with (312) 870 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (870) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (870) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)