Phone Prefix
(331) 299-XXXX
IL • HINSDALE
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
HINSDALE
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Aug 11, 2022
Number Range
First Number
(331) 299-0000
Last Number
(331) 299-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
46 reports
46
Total FCC + FTC DNC complaints for numbers in this prefix
Top 41 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (331) 299-3431 3312993431 | 2 |
| 2 | (331) 299-9737 3312999737 | 2 |
| 3 | (331) 299-3064 3312993064 | 2 |
| 4 | (331) 299-9322 3312999322 | 2 |
| 5 | (331) 299-5073 3312995073 | 2 |
| 6 | (331) 299-2923 3312992923 | 1 |
| 7 | (331) 299-3142 3312993142 | 1 |
| 8 | (331) 299-3163 3312993163 | 1 |
| 9 | (331) 299-3168 3312993168 | 1 |
| 10 | (331) 299-3337 3312993337 | 1 |
| 11 | (331) 299-3365 3312993365 | 1 |
| 12 | (331) 299-3424 3312993424 | 1 |
| 13 | (331) 299-3517 3312993517 | 1 |
| 14 | (331) 299-3520 3312993520 | 1 |
| 15 | (331) 299-3581 3312993581 | 1 |
| 16 | (331) 299-3711 3312993711 | 1 |
| 17 | (331) 299-3753 3312993753 | 1 |
| 18 | (331) 299-3835 3312993835 | 1 |
| 19 | (331) 299-3859 3312993859 | 1 |
| 20 | (331) 299-3920 3312993920 | 1 |
| 21 | (331) 299-4218 3312994218 | 1 |
| 22 | (331) 299-5020 3312995020 | 1 |
| 23 | (331) 299-5021 3312995021 | 1 |
| 24 | (331) 299-5030 3312995030 | 1 |
| 25 | (331) 299-5067 3312995067 | 1 |
| 26 | (331) 299-5094 3312995094 | 1 |
| 27 | (331) 299-9231 3312999231 | 1 |
| 28 | (331) 299-9433 3312999433 | 1 |
| 29 | (331) 299-9470 3312999470 | 1 |
| 30 | (331) 299-9532 3312999532 | 1 |
| 31 | (331) 299-9648 3312999648 | 1 |
| 32 | (331) 299-9689 3312999689 | 1 |
| 33 | (331) 299-9714 3312999714 | 1 |
| 34 | (331) 299-9765 3312999765 | 1 |
| 35 | (331) 299-9818 3312999818 | 1 |
| 36 | (331) 299-0723 3312990723 | 1 |
| 37 | (331) 299-9920 3312999920 | 1 |
| 38 | (331) 299-2792 3312992792 | 1 |
| 39 | (331) 299-2815 3312992815 | 1 |
| 40 | (331) 299-2829 3312992829 | 1 |
| 41 | (331) 299-2850 3312992850 | 1 |
About This Prefix
Phone numbers starting with (331) 299 are part of the North American Numbering Plan (NANP). The first three digits (331) represent the Area Code (NPA), and the next three digits (299) represent the Central Office Code (NXX) or exchange.
- NPA (331) - Numbering Plan Area, identifies the geographic region
- NXX (299) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)