Canadial Know Who Called
← Area code 720

720-680 phone numbers

Numbers 720-680-0000 to 720-680-9999 are assigned to T-Mobile USA, Inc. in Longmont, CO. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 720-680