Phone Prefix
(331) 551-XXXX
IL • LOMBARD
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Carrier Information
NANPA
State
IL
Region
MW
Rate Center
LOMBARD
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - IL
OCN
6534
Status
AS
Date Assigned
Nov 07, 2008
Number Range
First Number
(331) 551-0000
Last Number
(331) 551-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
14 reports
14
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (331) 551-9551 3315519551 | 4 |
| 2 | (331) 551-2030 3315512030 | 1 |
| 3 | (331) 551-2601 3315512601 | 1 |
| 4 | (331) 551-3180 3315513180 | 1 |
| 5 | (331) 551-3745 3315513745 | 1 |
| 6 | (331) 551-0728 3315510728 | 1 |
| 7 | (331) 551-5327 3315515327 | 1 |
| 8 | (331) 551-6413 3315516413 | 1 |
| 9 | (331) 551-8143 3315518143 | 1 |
| 10 | (331) 551-8652 3315518652 | 1 |
| 11 | (331) 551-5047 3315515047 | 1 |
About This Prefix
Phone numbers starting with (331) 551 are part of the North American Numbering Plan (NANP). The first three digits (331) represent the Area Code (NPA), and the next three digits (551) represent the Central Office Code (NXX) or exchange.
- NPA (331) - Numbering Plan Area, identifies the geographic region
- NXX (551) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)