Phone Prefix
(312) 863-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Status
AS
Date Assigned
Apr 08, 2011
Number Range
First Number
(312) 863-0000
Last Number
(312) 863-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 12 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 863-5743 3128635743 | 2 |
| 2 | (312) 863-3298 3128633298 | 1 |
| 3 | (312) 863-5401 3128635401 | 1 |
| 4 | (312) 863-7500 3128637500 | 1 |
| 5 | (312) 863-7700 3128637700 | 1 |
| 6 | (312) 863-7777 3128637777 | 1 |
| 7 | (312) 863-8048 3128638048 | 1 |
| 8 | (312) 863-8588 3128638588 | 1 |
| 9 | (312) 863-8590 3128638590 | 1 |
| 10 | (312) 863-8775 3128638775 | 1 |
| 11 | (312) 863-3127 3128633127 | 1 |
| 12 | (312) 863-9441 3128639441 | 1 |
About This Prefix
Phone numbers starting with (312) 863 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (863) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (863) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)