440-533 phone numbers

Numbers 440-533-0000 to 440-533-9999 are assigned to T-Mobile USA, Inc. in Gates Mills, OH. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 440-533-0xxx, 440-533-2xxx, 440-533-4xxx, 440-533-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 440-533