Canadial Know Who Called
← Area code 301

301-345 phone numbers

Numbers 301-345-0000 to 301-345-9999 are assigned to Verizon Maryland, Inc. (rate centre WSNG236Z13, MD, NANPA abbreviation).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 301-345