Phone Prefix
(312) 450-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
BANDWIDTH.COM CLEC, LLC - IL
OCN
984E
Status
AS
Date Assigned
Jul 18, 2011
Number Range
First Number
(312) 450-0000
Last Number
(312) 450-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
36 reports
36
Total FCC + FTC DNC complaints for numbers in this prefix
Top 34 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 450-3678 3124503678 | 2 |
| 2 | (312) 450-7722 3124507722 | 2 |
| 3 | (312) 450-2424 3124502424 | 1 |
| 4 | (312) 450-2535 3124502535 | 1 |
| 5 | (312) 450-2608 3124502608 | 1 |
| 6 | (312) 450-2775 3124502775 | 1 |
| 7 | (312) 450-2785 3124502785 | 1 |
| 8 | (312) 450-2823 3124502823 | 1 |
| 9 | (312) 450-3063 3124503063 | 1 |
| 10 | (312) 450-3441 3124503441 | 1 |
| 11 | (312) 450-3547 3124503547 | 1 |
| 12 | (312) 450-3648 3124503648 | 1 |
| 13 | (312) 450-3687 3124503687 | 1 |
| 14 | (312) 450-3695 3124503695 | 1 |
| 15 | (312) 450-3861 3124503861 | 1 |
| 16 | (312) 450-6408 3124506408 | 1 |
| 17 | (312) 450-6650 3124506650 | 1 |
| 18 | (312) 450-7107 3124507107 | 1 |
| 19 | (312) 450-7210 3124507210 | 1 |
| 20 | (312) 450-7230 3124507230 | 1 |
| 21 | (312) 450-7257 3124507257 | 1 |
| 22 | (312) 450-7313 3124507313 | 1 |
| 23 | (312) 450-7329 3124507329 | 1 |
| 24 | (312) 450-7343 3124507343 | 1 |
| 25 | (312) 450-7469 3124507469 | 1 |
| 26 | (312) 450-7489 3124507489 | 1 |
| 27 | (312) 450-7539 3124507539 | 1 |
| 28 | (312) 450-7705 3124507705 | 1 |
| 29 | (312) 450-7961 3124507961 | 1 |
| 30 | (312) 450-8024 3124508024 | 1 |
| 31 | (312) 450-8294 3124508294 | 1 |
| 32 | (312) 450-2023 3124502023 | 1 |
| 33 | (312) 450-8750 3124508750 | 1 |
| 34 | (312) 450-2383 3124502383 | 1 |
About This Prefix
Phone numbers starting with (312) 450 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (450) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (450) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)