Phone Prefix
(312) 890-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
Oct 27, 2010
Number Range
First Number
(312) 890-0000
Last Number
(312) 890-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
17 reports
17
Total FCC + FTC DNC complaints for numbers in this prefix
Top 17 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 890-0655 3128900655 | 1 |
| 2 | (312) 890-2189 3128902189 | 1 |
| 3 | (312) 890-2362 3128902362 | 1 |
| 4 | (312) 890-2373 3128902373 | 1 |
| 5 | (312) 890-2408 3128902408 | 1 |
| 6 | (312) 890-2415 3128902415 | 1 |
| 7 | (312) 890-2442 3128902442 | 1 |
| 8 | (312) 890-2462 3128902462 | 1 |
| 9 | (312) 890-2526 3128902526 | 1 |
| 10 | (312) 890-2638 3128902638 | 1 |
| 11 | (312) 890-3061 3128903061 | 1 |
| 12 | (312) 890-4981 3128904981 | 1 |
| 13 | (312) 890-5312 3128905312 | 1 |
| 14 | (312) 890-5375 3128905375 | 1 |
| 15 | (312) 890-5899 3128905899 | 1 |
| 16 | (312) 890-6915 3128906915 | 1 |
| 17 | (312) 890-7585 3128907585 | 1 |
About This Prefix
Phone numbers starting with (312) 890 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (890) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (890) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)