Phone Prefix
(312) 937-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
OCN
6333
Status
AS
Date Assigned
Sep 29, 2014
Number Range
First Number
(312) 937-0000
Last Number
(312) 937-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 937-4100 3129374100 | 1 |
| 2 | (312) 937-4120 3129374120 | 1 |
| 3 | (312) 937-5813 3129375813 | 1 |
| 4 | (312) 937-9258 3129379258 | 1 |
About This Prefix
Phone numbers starting with (312) 937 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (937) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (937) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)