Phone Prefix
(303) 408-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
NEW CINGULAR WIRELESS PCS, LLC
OCN
6010
Status
AS
Date Assigned
Sep 16, 2005
Number Range
First Number
(303) 408-0000
Last Number
(303) 408-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
9 reports
9
Total FCC + FTC DNC complaints for numbers in this prefix
Top 7 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (303) 408-3058 3034083058 | 3 |
| 2 | (303) 408-3434 3034083434 | 1 |
| 3 | (303) 408-1296 3034081296 | 1 |
| 4 | (303) 408-6932 3034086932 | 1 |
| 5 | (303) 408-6950 3034086950 | 1 |
| 6 | (303) 408-7156 3034087156 | 1 |
| 7 | (303) 408-6050 3034086050 | 1 |
About This Prefix
Phone numbers starting with (303) 408 are part of the North American Numbering Plan (NANP). The first three digits (303) represent the Area Code (NPA), and the next three digits (408) represent the Central Office Code (NXX) or exchange.
- NPA (303) - Numbering Plan Area, identifies the geographic region
- NXX (408) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)