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← Area code 301

301-618 phone numbers

Numbers 301-618-0000 to 301-618-9999 are assigned to Verizon Maryland, Inc. (rate centre WSHNGTNZN4, MD, NANPA abbreviation). 5 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 301-618