Prefix 720-400

There are 2 phone numbers within prefix 720-400 that have resulted in reports by users.
 
The location of calls from 720-400 is Denver, Colorado, USA. Most numbers in this area code are in US Mountain time, where the time is currently 11:16:28 AM on June 7, 2025. The telco provider for 720-400 is T-mobile Usa, Inc..
 
Choose a phone number from the list below to browse user reports for 720-400. 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.