440-830 phone numbers

Numbers 440-830-0000 to 440-830-9999 are assigned to T-Mobile USA, Inc. in Lorain, OH. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 440-830-6xxx, 440-830-7xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 440-830