Canadial Know Who Called
← Area code 405

405-274 phone numbers

Numbers 405-274-0000 to 405-274-9999 are assigned to T-Mobile USA, Inc. in Chickasha, OK. 1 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 405-274