Phone Prefix
(312) 288-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
RT
Number Range
First Number
(312) 288-0000
Last Number
(312) 288-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
17 reports
17
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 288-4639 3122884639 | 2 |
| 2 | (312) 288-8685 3122888685 | 2 |
| 3 | (312) 288-8487 3122888487 | 2 |
| 4 | (312) 288-0971 3122880971 | 1 |
| 5 | (312) 288-2059 3122882059 | 1 |
| 6 | (312) 288-3997 3122883997 | 1 |
| 7 | (312) 288-4524 3122884524 | 1 |
| 8 | (312) 288-6409 3122886409 | 1 |
| 9 | (312) 288-7547 3122887547 | 1 |
| 10 | (312) 288-8647 3122888647 | 1 |
| 11 | (312) 288-0098 3122880098 | 1 |
| 12 | (312) 288-8738 3122888738 | 1 |
| 13 | (312) 288-0161 3122880161 | 1 |
| 14 | (312) 288-0323 3122880323 | 1 |
About This Prefix
Phone numbers starting with (312) 288 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (288) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (288) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)