Phone Prefix
(312) 583-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
ILLINOIS BELL TEL CO
OCN
9329
Status
RT
Number Range
First Number
(312) 583-0000
Last Number
(312) 583-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
49 reports
49
Total FCC + FTC DNC complaints for numbers in this prefix
Top 35 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 583-7625 3125837625 | 13 |
| 2 | (312) 583-7556 3125837556 | 2 |
| 3 | (312) 583-7197 3125837197 | 2 |
| 4 | (312) 583-0704 3125830704 | 1 |
| 5 | (312) 583-0968 3125830968 | 1 |
| 6 | (312) 583-2360 3125832360 | 1 |
| 7 | (312) 583-3031 3125833031 | 1 |
| 8 | (312) 583-3257 3125833257 | 1 |
| 9 | (312) 583-3961 3125833961 | 1 |
| 10 | (312) 583-4357 3125834357 | 1 |
| 11 | (312) 583-4938 3125834938 | 1 |
| 12 | (312) 583-5385 3125835385 | 1 |
| 13 | (312) 583-5467 3125835467 | 1 |
| 14 | (312) 583-5636 3125835636 | 1 |
| 15 | (312) 583-6392 3125836392 | 1 |
| 16 | (312) 583-6698 3125836698 | 1 |
| 17 | (312) 583-7032 3125837032 | 1 |
| 18 | (312) 583-7125 3125837125 | 1 |
| 19 | (312) 583-7415 3125837415 | 1 |
| 20 | (312) 583-7448 3125837448 | 1 |
| 21 | (312) 583-7583 3125837583 | 1 |
| 22 | (312) 583-7629 3125837629 | 1 |
| 23 | (312) 583-7769 3125837769 | 1 |
| 24 | (312) 583-7875 3125837875 | 1 |
| 25 | (312) 583-7881 3125837881 | 1 |
| 26 | (312) 583-7895 3125837895 | 1 |
| 27 | (312) 583-8233 3125838233 | 1 |
| 28 | (312) 583-8238 3125838238 | 1 |
| 29 | (312) 583-8585 3125838585 | 1 |
| 30 | (312) 583-9150 3125839150 | 1 |
| 31 | (312) 583-9263 3125839263 | 1 |
| 32 | (312) 583-0285 3125830285 | 1 |
| 33 | (312) 583-9365 3125839365 | 1 |
| 34 | (312) 583-0291 3125830291 | 1 |
| 35 | (312) 583-0582 3125830582 | 1 |
About This Prefix
Phone numbers starting with (312) 583 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (583) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (583) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)