← Area code 442
442-470 phone numbers
Numbers 442-470-0000 to 442-470-9999 are assigned to T-Mobile USA, Inc. in Palm Desert, CA. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 442-470-1xxx, 442-470-7xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.