About this number
(301) 533-0004 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21550 in the city of Oakland, Maryland, which is in Garrett County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 301, a Network Numbering Exchange (NXX - also known as a prefix) of 533 and a subscriber number of 0004. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of OKLDMDOKDS0. As well as a Local access and transport area (LATA) of 240. Zip code 21550 has a population of 14,194 as of the 2010 census.