Phone Prefix
(331) 278-XXXX
IL • AURORA
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
AURORA
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Status
AS
Date Assigned
Apr 12, 2022
Number Range
First Number
(331) 278-0000
Last Number
(331) 278-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (331) 278-7347 3312787347 | 2 |
| 2 | (331) 278-1938 3312781938 | 1 |
| 3 | (331) 278-4231 3312784231 | 1 |
| 4 | (331) 278-7315 3312787315 | 1 |
| 5 | (331) 278-7321 3312787321 | 1 |
| 6 | (331) 278-7956 3312787956 | 1 |
| 7 | (331) 278-0813 3312780813 | 1 |
| 8 | (331) 278-7986 3312787986 | 1 |
About This Prefix
Phone numbers starting with (331) 278 are part of the North American Numbering Plan (NANP). The first three digits (331) represent the Area Code (NPA), and the next three digits (278) represent the Central Office Code (NXX) or exchange.
- NPA (331) - Numbering Plan Area, identifies the geographic region
- NXX (278) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)