Phone Prefix
(312) 988-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
COMCAST IP PHONE, LLC
OCN
318J
Status
AS
Date Assigned
Dec 17, 2012
Number Range
First Number
(312) 988-0000
Last Number
(312) 988-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
24 reports
24
Total FCC + FTC DNC complaints for numbers in this prefix
Top 21 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 988-4684 3129884684 | 2 |
| 2 | (312) 988-7965 3129887965 | 2 |
| 3 | (312) 988-6057 3129886057 | 2 |
| 4 | (312) 988-0885 3129880885 | 1 |
| 5 | (312) 988-1748 3129881748 | 1 |
| 6 | (312) 988-2356 3129882356 | 1 |
| 7 | (312) 988-2481 3129882481 | 1 |
| 8 | (312) 988-3761 3129883761 | 1 |
| 9 | (312) 988-3923 3129883923 | 1 |
| 10 | (312) 988-4974 3129884974 | 1 |
| 11 | (312) 988-5363 3129885363 | 1 |
| 12 | (312) 988-6709 3129886709 | 1 |
| 13 | (312) 988-7374 3129887374 | 1 |
| 14 | (312) 988-7892 3129887892 | 1 |
| 15 | (312) 988-8127 3129888127 | 1 |
| 16 | (312) 988-8194 3129888194 | 1 |
| 17 | (312) 988-8209 3129888209 | 1 |
| 18 | (312) 988-0025 3129880025 | 1 |
| 19 | (312) 988-8453 3129888453 | 1 |
| 20 | (312) 988-0640 3129880640 | 1 |
| 21 | (312) 988-0864 3129880864 | 1 |
About This Prefix
Phone numbers starting with (312) 988 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (988) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (988) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)