About this number
(301) 494 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 20678 in the city of Prince Frederick, Maryland, which is in Calvert County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 301 and Network Numbering Exchange (NXX - also known as a prefix) of 494. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of PRFRMDPFRS1. As well as a Local access and transport area (LATA) of 238. Zip code 20678 has a population of 11,045 as of the 2010 census.