Phone Prefix
(312) 998-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Sep 10, 2014
Number Range
First Number
(312) 998-0000
Last Number
(312) 998-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
16 reports
16
Total FCC + FTC DNC complaints for numbers in this prefix
Top 15 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 998-4819 3129984819 | 2 |
| 2 | (312) 998-2796 3129982796 | 1 |
| 3 | (312) 998-3744 3129983744 | 1 |
| 4 | (312) 998-4196 3129984196 | 1 |
| 5 | (312) 998-4251 3129984251 | 1 |
| 6 | (312) 998-4631 3129984631 | 1 |
| 7 | (312) 998-4638 3129984638 | 1 |
| 8 | (312) 998-4823 3129984823 | 1 |
| 9 | (312) 998-4912 3129984912 | 1 |
| 10 | (312) 998-4979 3129984979 | 1 |
| 11 | (312) 998-4987 3129984987 | 1 |
| 12 | (312) 998-5294 3129985294 | 1 |
| 13 | (312) 998-8804 3129988804 | 1 |
| 14 | (312) 998-1064 3129981064 | 1 |
| 15 | (312) 998-9896 3129989896 | 1 |
About This Prefix
Phone numbers starting with (312) 998 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (998) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (998) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)