Phone Prefix
(312) 889-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
Jul 16, 2015
Number Range
First Number
(312) 889-0000
Last Number
(312) 889-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
13 reports
13
Total FCC + FTC DNC complaints for numbers in this prefix
Top 12 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 889-9138 3128899138 | 2 |
| 2 | (312) 889-3785 3128893785 | 1 |
| 3 | (312) 889-5464 3128895464 | 1 |
| 4 | (312) 889-5743 3128895743 | 1 |
| 5 | (312) 889-5756 3128895756 | 1 |
| 6 | (312) 889-6304 3128896304 | 1 |
| 7 | (312) 889-9102 3128899102 | 1 |
| 8 | (312) 889-9135 3128899135 | 1 |
| 9 | (312) 889-9197 3128899197 | 1 |
| 10 | (312) 889-9214 3128899214 | 1 |
| 11 | (312) 889-1504 3128891504 | 1 |
| 12 | (312) 889-9464 3128899464 | 1 |
About This Prefix
Phone numbers starting with (312) 889 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (889) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (889) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)