← Area code 425
425-343 phone numbers
Numbers 425-343-0000 to 425-343-9999 are assigned to T-Mobile USA, Inc. in Everett, WA.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Numbers 425-343-0000 to 425-343-9999 are assigned to T-Mobile USA, Inc. in Everett, WA.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.