Phone Prefix
(720) 551-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
Apr 05, 2011
Number Range
First Number
(720) 551-0000
Last Number
(720) 551-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
20 reports
20
Total FCC + FTC DNC complaints for numbers in this prefix
Top 16 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (720) 551-1668 7205511668 | 4 |
| 2 | (720) 551-7837 7205517837 | 2 |
| 3 | (720) 551-4443 7205514443 | 1 |
| 4 | (720) 551-4618 7205514618 | 1 |
| 5 | (720) 551-4637 7205514637 | 1 |
| 6 | (720) 551-6863 7205516863 | 1 |
| 7 | (720) 551-6913 7205516913 | 1 |
| 8 | (720) 551-7770 7205517770 | 1 |
| 9 | (720) 551-4314 7205514314 | 1 |
| 10 | (720) 551-8147 7205518147 | 1 |
| 11 | (720) 551-8269 7205518269 | 1 |
| 12 | (720) 551-8648 7205518648 | 1 |
| 13 | (720) 551-8811 7205518811 | 1 |
| 14 | (720) 551-9657 7205519657 | 1 |
| 15 | (720) 551-9725 7205519725 | 1 |
| 16 | (720) 551-9825 7205519825 | 1 |
About This Prefix
Phone numbers starting with (720) 551 are part of the North American Numbering Plan (NANP). The first three digits (720) represent the Area Code (NPA), and the next three digits (551) represent the Central Office Code (NXX) or exchange.
- NPA (720) - Numbering Plan Area, identifies the geographic region
- NXX (551) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)