Phone Prefix
(312) 564-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
FIRST COMMUNICATIONS, LLC
OCN
460K
Status
AS
Date Assigned
Nov 20, 2006
Number Range
First Number
(312) 564-0000
Last Number
(312) 564-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
45 reports
45
Total FCC + FTC DNC complaints for numbers in this prefix
Top 41 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 564-5181 3125645181 | 2 |
| 2 | (312) 564-5812 3125645812 | 2 |
| 3 | (312) 564-4595 3125644595 | 2 |
| 4 | (312) 564-7920 3125647920 | 2 |
| 5 | (312) 564-0441 3125640441 | 1 |
| 6 | (312) 564-1523 3125641523 | 1 |
| 7 | (312) 564-1875 3125641875 | 1 |
| 8 | (312) 564-2306 3125642306 | 1 |
| 9 | (312) 564-2902 3125642902 | 1 |
| 10 | (312) 564-3233 3125643233 | 1 |
| 11 | (312) 564-3262 3125643262 | 1 |
| 12 | (312) 564-4136 3125644136 | 1 |
| 13 | (312) 564-4236 3125644236 | 1 |
| 14 | (312) 564-4477 3125644477 | 1 |
| 15 | (312) 564-4515 3125644515 | 1 |
| 16 | (312) 564-4584 3125644584 | 1 |
| 17 | (312) 564-4802 3125644802 | 1 |
| 18 | (312) 564-5045 3125645045 | 1 |
| 19 | (312) 564-5070 3125645070 | 1 |
| 20 | (312) 564-5119 3125645119 | 1 |
| 21 | (312) 564-5288 3125645288 | 1 |
| 22 | (312) 564-5638 3125645638 | 1 |
| 23 | (312) 564-5930 3125645930 | 1 |
| 24 | (312) 564-5936 3125645936 | 1 |
| 25 | (312) 564-6280 3125646280 | 1 |
| 26 | (312) 564-6433 3125646433 | 1 |
| 27 | (312) 564-6487 3125646487 | 1 |
| 28 | (312) 564-7027 3125647027 | 1 |
| 29 | (312) 564-7762 3125647762 | 1 |
| 30 | (312) 564-8267 3125648267 | 1 |
| 31 | (312) 564-8525 3125648525 | 1 |
| 32 | (312) 564-8594 3125648594 | 1 |
| 33 | (312) 564-8888 3125648888 | 1 |
| 34 | (312) 564-9261 3125649261 | 1 |
| 35 | (312) 564-9349 3125649349 | 1 |
| 36 | (312) 564-9611 3125649611 | 1 |
| 37 | (312) 564-0121 3125640121 | 1 |
| 38 | (312) 564-9659 3125649659 | 1 |
| 39 | (312) 564-0131 3125640131 | 1 |
| 40 | (312) 564-0151 3125640151 | 1 |
| 41 | (312) 564-0185 3125640185 | 1 |
About This Prefix
Phone numbers starting with (312) 564 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (564) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (564) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)