Phone Prefix
(312) 838-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
Jan 13, 2016
Number Range
First Number
(312) 838-0000
Last Number
(312) 838-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 838-1048 3128381048 | 1 |
| 2 | (312) 838-1516 3128381516 | 1 |
| 3 | (312) 838-5383 3128385383 | 1 |
| 4 | (312) 838-5971 3128385971 | 1 |
| 5 | (312) 838-9664 3128389664 | 1 |
| 6 | (312) 838-9835 3128389835 | 1 |
About This Prefix
Phone numbers starting with (312) 838 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (838) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (838) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)