Phone Prefix
(720) 306-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - CO
OCN
6118
Status
AS
Date Assigned
Feb 24, 2010
Number Range
First Number
(720) 306-0000
Last Number
(720) 306-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
38 reports
38
Total FCC + FTC DNC complaints for numbers in this prefix
Top 28 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (720) 306-7233 7203067233 | 6 |
| 2 | (720) 306-8829 7203068829 | 3 |
| 3 | (720) 306-9217 7203069217 | 3 |
| 4 | (720) 306-8855 7203068855 | 2 |
| 5 | (720) 306-4702 7203064702 | 1 |
| 6 | (720) 306-5768 7203065768 | 1 |
| 7 | (720) 306-6247 7203066247 | 1 |
| 8 | (720) 306-6964 7203066964 | 1 |
| 9 | (720) 306-7011 7203067011 | 1 |
| 10 | (720) 306-7487 7203067487 | 1 |
| 11 | (720) 306-7511 7203067511 | 1 |
| 12 | (720) 306-7649 7203067649 | 1 |
| 13 | (720) 306-7881 7203067881 | 1 |
| 14 | (720) 306-7903 7203067903 | 1 |
| 15 | (720) 306-8015 7203068015 | 1 |
| 16 | (720) 306-8131 7203068131 | 1 |
| 17 | (720) 306-8292 7203068292 | 1 |
| 18 | (720) 306-8835 7203068835 | 1 |
| 19 | (720) 306-8923 7203068923 | 1 |
| 20 | (720) 306-9237 7203069237 | 1 |
| 21 | (720) 306-9297 7203069297 | 1 |
| 22 | (720) 306-9368 7203069368 | 1 |
| 23 | (720) 306-9836 7203069836 | 1 |
| 24 | (720) 306-0739 7203060739 | 1 |
| 25 | (720) 306-9861 7203069861 | 1 |
| 26 | (720) 306-0802 7203060802 | 1 |
| 27 | (720) 306-1916 7203061916 | 1 |
| 28 | (720) 306-4029 7203064029 | 1 |
About This Prefix
Phone numbers starting with (720) 306 are part of the North American Numbering Plan (NANP). The first three digits (720) represent the Area Code (NPA), and the next three digits (306) represent the Central Office Code (NXX) or exchange.
- NPA (720) - Numbering Plan Area, identifies the geographic region
- NXX (306) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)