Phone Prefix
(312) 300-XXXX
IL • CHICGOZN01
Search Number in This Prefix
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
CHICGOZN01
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - IL
OCN
6115
Status
AS
Date Assigned
Sep 21, 2018
Number Range
First Number
(312) 300-0000
Last Number
(312) 300-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
53 reports
53
Total FCC + FTC DNC complaints for numbers in this prefix
Top 47 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (312) 300-3859 3123003859 | 3 |
| 2 | (312) 300-6830 3123006830 | 2 |
| 3 | (312) 300-0609 3123000609 | 2 |
| 4 | (312) 300-0697 3123000697 | 1 |
| 5 | (312) 300-0893 3123000893 | 1 |
| 6 | (312) 300-1245 3123001245 | 1 |
| 7 | (312) 300-1289 3123001289 | 1 |
| 8 | (312) 300-1538 3123001538 | 1 |
| 9 | (312) 300-1706 3123001706 | 1 |
| 10 | (312) 300-1832 3123001832 | 1 |
| 11 | (312) 300-1949 3123001949 | 1 |
| 12 | (312) 300-2047 3123002047 | 1 |
| 13 | (312) 300-2352 3123002352 | 1 |
| 14 | (312) 300-3139 3123003139 | 1 |
| 15 | (312) 300-3273 3123003273 | 1 |
| 16 | (312) 300-3428 3123003428 | 1 |
| 17 | (312) 300-3778 3123003778 | 1 |
| 18 | (312) 300-3876 3123003876 | 1 |
| 19 | (312) 300-4931 3123004931 | 1 |
| 20 | (312) 300-4952 3123004952 | 1 |
| 21 | (312) 300-5433 3123005433 | 1 |
| 22 | (312) 300-5700 3123005700 | 1 |
| 23 | (312) 300-5916 3123005916 | 1 |
| 24 | (312) 300-6045 3123006045 | 1 |
| 25 | (312) 300-6208 3123006208 | 1 |
| 26 | (312) 300-6325 3123006325 | 1 |
| 27 | (312) 300-6575 3123006575 | 1 |
| 28 | (312) 300-6955 3123006955 | 1 |
| 29 | (312) 300-7071 3123007071 | 1 |
| 30 | (312) 300-7074 3123007074 | 1 |
| 31 | (312) 300-7096 3123007096 | 1 |
| 32 | (312) 300-7123 3123007123 | 1 |
| 33 | (312) 300-7156 3123007156 | 1 |
| 34 | (312) 300-7216 3123007216 | 1 |
| 35 | (312) 300-7304 3123007304 | 1 |
| 36 | (312) 300-7383 3123007383 | 1 |
| 37 | (312) 300-7795 3123007795 | 1 |
| 38 | (312) 300-7875 3123007875 | 1 |
| 39 | (312) 300-8103 3123008103 | 1 |
| 40 | (312) 300-8597 3123008597 | 1 |
| 41 | (312) 300-8829 3123008829 | 1 |
| 42 | (312) 300-8862 3123008862 | 1 |
| 43 | (312) 300-8943 3123008943 | 1 |
| 44 | (312) 300-0214 3123000214 | 1 |
| 45 | (312) 300-9265 3123009265 | 1 |
| 46 | (312) 300-0574 3123000574 | 1 |
| 47 | (312) 300-0621 3123000621 | 1 |
About This Prefix
Phone numbers starting with (312) 300 are part of the North American Numbering Plan (NANP). The first three digits (312) represent the Area Code (NPA), and the next three digits (300) represent the Central Office Code (NXX) or exchange.
- NPA (312) - Numbering Plan Area, identifies the geographic region
- NXX (300) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)