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← Area code 605

605-231 phone numbers

Numbers 605-231-0000 to 605-231-9999 are assigned to Aerial Communications, Inc. (rate centre SIOUX FLS, SD, 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.

Reported numbers in 605-231