Phone Prefix
(331) 309-XXXX
IL • LEMONT
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
IL
Region
MW
Rate Center
LEMONT
Assigned To
ONVOY, LLC
OCN
224C
Status
AS
Date Assigned
Oct 04, 2023
Number Range
First Number
(331) 309-0000
Last Number
(331) 309-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
22 reports
22
Total FCC + FTC DNC complaints for numbers in this prefix
Top 21 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (331) 309-3990 3313093990 | 2 |
| 2 | (331) 309-3653 3313093653 | 1 |
| 3 | (331) 309-3684 3313093684 | 1 |
| 4 | (331) 309-3705 3313093705 | 1 |
| 5 | (331) 309-3731 3313093731 | 1 |
| 6 | (331) 309-3757 3313093757 | 1 |
| 7 | (331) 309-3781 3313093781 | 1 |
| 8 | (331) 309-3787 3313093787 | 1 |
| 9 | (331) 309-3793 3313093793 | 1 |
| 10 | (331) 309-3815 3313093815 | 1 |
| 11 | (331) 309-3824 3313093824 | 1 |
| 12 | (331) 309-3872 3313093872 | 1 |
| 13 | (331) 309-3890 3313093890 | 1 |
| 14 | (331) 309-3895 3313093895 | 1 |
| 15 | (331) 309-3897 3313093897 | 1 |
| 16 | (331) 309-3920 3313093920 | 1 |
| 17 | (331) 309-3968 3313093968 | 1 |
| 18 | (331) 309-3986 3313093986 | 1 |
| 19 | (331) 309-3996 3313093996 | 1 |
| 20 | (331) 309-3639 3313093639 | 1 |
| 21 | (331) 309-7164 3313097164 | 1 |
About This Prefix
Phone numbers starting with (331) 309 are part of the North American Numbering Plan (NANP). The first three digits (331) represent the Area Code (NPA), and the next three digits (309) represent the Central Office Code (NXX) or exchange.
- NPA (331) - Numbering Plan Area, identifies the geographic region
- NXX (309) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)