Phone Prefix
(312) 237-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
RT
Number Range
First Number
(312) 237-0000
Last Number
(312) 237-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
19 reports
19
Total FCC + FTC DNC complaints for numbers in this prefix
Top 18 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 237-2426 3122372426 | 2 |
| 2 | (312) 237-2440 3122372440 | 1 |
| 3 | (312) 237-2508 3122372508 | 1 |
| 4 | (312) 237-2615 3122372615 | 1 |
| 5 | (312) 237-2913 3122372913 | 1 |
| 6 | (312) 237-3053 3122373053 | 1 |
| 7 | (312) 237-3125 3122373125 | 1 |
| 8 | (312) 237-3207 3122373207 | 1 |
| 9 | (312) 237-3267 3122373267 | 1 |
| 10 | (312) 237-3534 3122373534 | 1 |
| 11 | (312) 237-3549 3122373549 | 1 |
| 12 | (312) 237-3890 3122373890 | 1 |
| 13 | (312) 237-3982 3122373982 | 1 |
| 14 | (312) 237-4087 3122374087 | 1 |
| 15 | (312) 237-4964 3122374964 | 1 |
| 16 | (312) 237-8052 3122378052 | 1 |
| 17 | (312) 237-0644 3122370644 | 1 |
| 18 | (312) 237-9997 3122379997 | 1 |
About This Prefix
Phone numbers starting with (312) 237 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (237) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (237) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)