Phone Prefix
(312) 789-XXXX
IL • CHICGOZN01
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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) 789-0000
Last Number
(312) 789-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
43 reports
43
Total FCC + FTC DNC complaints for numbers in this prefix
Top 32 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 789-5217 3127895217 | 7 |
| 2 | (312) 789-4878 3127894878 | 3 |
| 3 | (312) 789-4875 3127894875 | 2 |
| 4 | (312) 789-4844 3127894844 | 2 |
| 5 | (312) 789-2692 3127892692 | 1 |
| 6 | (312) 789-2821 3127892821 | 1 |
| 7 | (312) 789-3171 3127893171 | 1 |
| 8 | (312) 789-3402 3127893402 | 1 |
| 9 | (312) 789-3952 3127893952 | 1 |
| 10 | (312) 789-4128 3127894128 | 1 |
| 11 | (312) 789-4616 3127894616 | 1 |
| 12 | (312) 789-4743 3127894743 | 1 |
| 13 | (312) 789-4747 3127894747 | 1 |
| 14 | (312) 789-4768 3127894768 | 1 |
| 15 | (312) 789-4778 3127894778 | 1 |
| 16 | (312) 789-4852 3127894852 | 1 |
| 17 | (312) 789-5144 3127895144 | 1 |
| 18 | (312) 789-5158 3127895158 | 1 |
| 19 | (312) 789-5162 3127895162 | 1 |
| 20 | (312) 789-5179 3127895179 | 1 |
| 21 | (312) 789-5780 3127895780 | 1 |
| 22 | (312) 789-5983 3127895983 | 1 |
| 23 | (312) 789-6549 3127896549 | 1 |
| 24 | (312) 789-7334 3127897334 | 1 |
| 25 | (312) 789-7390 3127897390 | 1 |
| 26 | (312) 789-8204 3127898204 | 1 |
| 27 | (312) 789-8420 3127898420 | 1 |
| 28 | (312) 789-1360 3127891360 | 1 |
| 29 | (312) 789-8973 3127898973 | 1 |
| 30 | (312) 789-1764 3127891764 | 1 |
| 31 | (312) 789-1853 3127891853 | 1 |
| 32 | (312) 789-2139 3127892139 | 1 |
About This Prefix
Phone numbers starting with (312) 789 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (789) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (789) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)