← Area code 830
830-369 phone numbers
Numbers 830-369-0000 to 830-369-9999 are assigned to T-Mobile USA, Inc. (rate centre NEWBRANFLS, TX, NANPA abbreviation). 9 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.