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← Area code 830

830-255 phone numbers

Numbers 830-255-0000 to 830-255-9999 are assigned to Level 3 Communications, LLC (rate centre CARRIZOSPG, TX, NANPA abbreviation). 8 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.

Reported numbers in 830-255