Phone Prefix
(312) 217-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
RT
Number Range
First Number
(312) 217-0000
Last Number
(312) 217-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
8 reports
8
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 217-9335 3122179335 | 2 |
| 2 | (312) 217-0580 3122170580 | 1 |
| 3 | (312) 217-1220 3122171220 | 1 |
| 4 | (312) 217-0572 3122170572 | 1 |
| 5 | (312) 217-6618 3122176618 | 1 |
| 6 | (312) 217-8177 3122178177 | 1 |
| 7 | (312) 217-3135 3122173135 | 1 |
About This Prefix
Phone numbers starting with (312) 217 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (217) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (217) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)