983-209 phone numbers

Numbers 983-209-0000 to 983-209-9999 are assigned to T-Mobile USA, Inc. in Fort Lupton, CO. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 983-209-2xxx, 983-209-3xxx, 983-209-4xxx, 983-209-5xxx, 983-209-6xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 983-209