Phone Prefix
(312) 631-XXXX
IL • CHICGOZN01
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
ONVOY, LLC
OCN
224C
Status
AS
Date Assigned
Apr 25, 2013
Number Range
First Number
(312) 631-0000
Last Number
(312) 631-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
19 reports
19
Total FCC + FTC DNC complaints for numbers in this prefix
Top 19 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 631-0510 3126310510 | 1 |
| 2 | (312) 631-0579 3126310579 | 1 |
| 3 | (312) 631-0674 3126310674 | 1 |
| 4 | (312) 631-0722 3126310722 | 1 |
| 5 | (312) 631-0797 3126310797 | 1 |
| 6 | (312) 631-0944 3126310944 | 1 |
| 7 | (312) 631-1420 3126311420 | 1 |
| 8 | (312) 631-1809 3126311809 | 1 |
| 9 | (312) 631-2372 3126312372 | 1 |
| 10 | (312) 631-2597 3126312597 | 1 |
| 11 | (312) 631-2939 3126312939 | 1 |
| 12 | (312) 631-3032 3126313032 | 1 |
| 13 | (312) 631-3438 3126313438 | 1 |
| 14 | (312) 631-7250 3126317250 | 1 |
| 15 | (312) 631-7349 3126317349 | 1 |
| 16 | (312) 631-7868 3126317868 | 1 |
| 17 | (312) 631-7973 3126317973 | 1 |
| 18 | (312) 631-9686 3126319686 | 1 |
| 19 | (312) 631-9784 3126319784 | 1 |
About This Prefix
Phone numbers starting with (312) 631 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (631) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (631) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)