Phone Prefix
(312) 284-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
XO ILLINOIS, INC.
OCN
7056
Status
RT
Number Range
First Number
(312) 284-0000
Last Number
(312) 284-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 284-7117 3122847117 | 2 |
| 2 | (312) 284-3580 3122843580 | 1 |
| 3 | (312) 284-4045 3122844045 | 1 |
| 4 | (312) 284-4081 3122844081 | 1 |
| 5 | (312) 284-5994 3122845994 | 1 |
| 6 | (312) 284-7757 3122847757 | 1 |
About This Prefix
Phone numbers starting with (312) 284 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (284) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (284) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)