Phone Prefix
(312) 574-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
Feb 02, 2010
Number Range
First Number
(312) 574-0000
Last Number
(312) 574-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
60 reports
60
Total FCC + FTC DNC complaints for numbers in this prefix
Top 26 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 574-1891 3125741891 | 23 |
| 2 | (312) 574-1811 3125741811 | 4 |
| 3 | (312) 574-1821 3125741821 | 4 |
| 4 | (312) 574-1833 3125741833 | 3 |
| 5 | (312) 574-1899 3125741899 | 3 |
| 6 | (312) 574-3086 3125743086 | 2 |
| 7 | (312) 574-1897 3125741897 | 1 |
| 8 | (312) 574-3301 3125743301 | 1 |
| 9 | (312) 574-3406 3125743406 | 1 |
| 10 | (312) 574-3758 3125743758 | 1 |
| 11 | (312) 574-3854 3125743854 | 1 |
| 12 | (312) 574-3915 3125743915 | 1 |
| 13 | (312) 574-3984 3125743984 | 1 |
| 14 | (312) 574-4645 3125744645 | 1 |
| 15 | (312) 574-4762 3125744762 | 1 |
| 16 | (312) 574-5609 3125745609 | 1 |
| 17 | (312) 574-5750 3125745750 | 1 |
| 18 | (312) 574-6423 3125746423 | 1 |
| 19 | (312) 574-8118 3125748118 | 1 |
| 20 | (312) 574-0374 3125740374 | 1 |
| 21 | (312) 574-9877 3125749877 | 1 |
| 22 | (312) 574-0767 3125740767 | 1 |
| 23 | (312) 574-0974 3125740974 | 1 |
| 24 | (312) 574-1091 3125741091 | 1 |
| 25 | (312) 574-1682 3125741682 | 1 |
| 26 | (312) 574-1741 3125741741 | 1 |
About This Prefix
Phone numbers starting with (312) 574 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (574) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (574) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)