Phone Prefix
(312) 999-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) 999-0000
Last Number
(312) 999-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
29 reports
29
Total FCC + FTC DNC complaints for numbers in this prefix
Top 24 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 999-9010 3129999010 | 5 |
| 2 | (312) 999-6388 3129996388 | 2 |
| 3 | (312) 999-0273 3129990273 | 1 |
| 4 | (312) 999-0399 3129990399 | 1 |
| 5 | (312) 999-0854 3129990854 | 1 |
| 6 | (312) 999-0964 3129990964 | 1 |
| 7 | (312) 999-2410 3129992410 | 1 |
| 8 | (312) 999-4249 3129994249 | 1 |
| 9 | (312) 999-4346 3129994346 | 1 |
| 10 | (312) 999-5034 3129995034 | 1 |
| 11 | (312) 999-5170 3129995170 | 1 |
| 12 | (312) 999-5653 3129995653 | 1 |
| 13 | (312) 999-6034 3129996034 | 1 |
| 14 | (312) 999-6358 3129996358 | 1 |
| 15 | (312) 999-7391 3129997391 | 1 |
| 16 | (312) 999-7487 3129997487 | 1 |
| 17 | (312) 999-7846 3129997846 | 1 |
| 18 | (312) 999-8112 3129998112 | 1 |
| 19 | (312) 999-8737 3129998737 | 1 |
| 20 | (312) 999-9722 3129999722 | 1 |
| 21 | (312) 999-9993 3129999993 | 1 |
| 22 | (312) 999-0000 3129990000 | 1 |
| 23 | (312) 999-9999 3129999999 | 1 |
| 24 | (312) 999-0185 3129990185 | 1 |
About This Prefix
Phone numbers starting with (312) 999 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (999) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (999) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)