Canadial Know Who Called
← Area code 440

440-574 phone numbers

Numbers 440-574-0000 to 440-574-9999 are assigned to T-Mobile USA, Inc. in Oberlin, OH. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 440-574-2xxx, 440-574-8xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 440-574