Phone Prefix
(720) 421-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
AS
Date Assigned
Mar 20, 2009
Number Range
First Number
(720) 421-0000
Last Number
(720) 421-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
3 reports
3
Total FCC + FTC DNC complaints for numbers in this prefix
Top 3 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (720) 421-2007 7204212007 | 1 |
| 2 | (720) 421-2123 7204212123 | 1 |
| 3 | (720) 421-3031 7204213031 | 1 |
About This Prefix
Phone numbers starting with (720) 421 are part of the North American Numbering Plan (NANP). The first three digits (720) represent the Area Code (NPA), and the next three digits (421) represent the Central Office Code (NXX) or exchange.
- NPA (720) - Numbering Plan Area, identifies the geographic region
- NXX (421) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)