There are 9 phone numbers within prefix 720-644 that have resulted in reports by users.
The location of calls from 720-644 is Denver, Colorado, USA. Most numbers in this area code are in US Mountain time, where the time is currently 10:36:08 PM on June 12, 2026. The telco provider for 720-644 is Mcleodusa Telecommunication Services, Inc. - Co.
Choose a phone number from the list below to browse user reports for 720-644. You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.