Phone Prefix
(720) 638-XXXX
CO • DENVER
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Carrier Information
NANPA
State
CO
Region
WE
Rate Center
DENVER
Assigned To
COMCAST IP PHONE, LLC
OCN
318J
Status
AS
Date Assigned
Jan 17, 2013
Number Range
First Number
(720) 638-0000
Last Number
(720) 638-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
23 reports
23
Total FCC + FTC DNC complaints for numbers in this prefix
Top 20 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (720) 638-0943 7206380943 | 2 |
| 2 | (720) 638-0972 7206380972 | 2 |
| 3 | (720) 638-5842 7206385842 | 2 |
| 4 | (720) 638-1186 7206381186 | 1 |
| 5 | (720) 638-2725 7206382725 | 1 |
| 6 | (720) 638-2808 7206382808 | 1 |
| 7 | (720) 638-3914 7206383914 | 1 |
| 8 | (720) 638-4669 7206384669 | 1 |
| 9 | (720) 638-5407 7206385407 | 1 |
| 10 | (720) 638-5602 7206385602 | 1 |
| 11 | (720) 638-5734 7206385734 | 1 |
| 12 | (720) 638-6395 7206386395 | 1 |
| 13 | (720) 638-7170 7206387170 | 1 |
| 14 | (720) 638-7500 7206387500 | 1 |
| 15 | (720) 638-9090 7206389090 | 1 |
| 16 | (720) 638-9689 7206389689 | 1 |
| 17 | (720) 638-0274 7206380274 | 1 |
| 18 | (720) 638-9998 7206389998 | 1 |
| 19 | (720) 638-0631 7206380631 | 1 |
| 20 | (720) 638-0833 7206380833 | 1 |
About This Prefix
Phone numbers starting with (720) 638 are part of the North American Numbering Plan (NANP). The first three digits (720) represent the Area Code (NPA), and the next three digits (638) represent the Central Office Code (NXX) or exchange.
- NPA (720) - Numbering Plan Area, identifies the geographic region
- NXX (638) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)