← Area code 435
435-229 phone numbers
Numbers 435-229-0000 to 435-229-9999 are assigned to T-Mobile USA, Inc. in St. George, UT.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Numbers 435-229-0000 to 435-229-9999 are assigned to T-Mobile USA, Inc. in St. George, UT.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.