669-304 phone numbers

Numbers 669-304-0000 to 669-304-9999 are assigned to T-Mobile USA, Inc. in Morgan Hill, CA. 5 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Not assigned to any carrier: 669-304-4xxx — calls from these use spoofed caller IDs.

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

Reported numbers in 669-304