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← Area code 240

240-474 phone numbers

Numbers 240-474-0000 to 240-474-9999 are assigned to Baltimore-Washington Telephone (Bwt) (rate centre GAITHERSBG, MD, 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 240-474