Phone Prefix
(312) 879-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
ONVOY SPECTRUM, LLC
OCN
624H
Status
AS
Date Assigned
Dec 08, 2021
Number Range
First Number
(312) 879-0000
Last Number
(312) 879-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
25 reports
25
Total FCC + FTC DNC complaints for numbers in this prefix
Top 24 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 879-3657 3128793657 | 2 |
| 2 | (312) 879-0456 3128790456 | 1 |
| 3 | (312) 879-0696 3128790696 | 1 |
| 4 | (312) 879-0900 3128790900 | 1 |
| 5 | (312) 879-1376 3128791376 | 1 |
| 6 | (312) 879-4239 3128794239 | 1 |
| 7 | (312) 879-5289 3128795289 | 1 |
| 8 | (312) 879-5359 3128795359 | 1 |
| 9 | (312) 879-5560 3128795560 | 1 |
| 10 | (312) 879-5748 3128795748 | 1 |
| 11 | (312) 879-5868 3128795868 | 1 |
| 12 | (312) 879-6428 3128796428 | 1 |
| 13 | (312) 879-6535 3128796535 | 1 |
| 14 | (312) 879-6798 3128796798 | 1 |
| 15 | (312) 879-7342 3128797342 | 1 |
| 16 | (312) 879-8461 3128798461 | 1 |
| 17 | (312) 879-9022 3128799022 | 1 |
| 18 | (312) 879-9206 3128799206 | 1 |
| 19 | (312) 879-9387 3128799387 | 1 |
| 20 | (312) 879-9463 3128799463 | 1 |
| 21 | (312) 879-9566 3128799566 | 1 |
| 22 | (312) 879-9770 3128799770 | 1 |
| 23 | (312) 879-0423 3128790423 | 1 |
| 24 | (312) 879-9831 3128799831 | 1 |
About This Prefix
Phone numbers starting with (312) 879 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (879) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (879) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)