About this number
(301) 432 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21756 in the city of Keedysville, Maryland, which is in Washington 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 432. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of KDVLMDKVRS0. As well as a Local access and transport area (LATA) of 240. Zip code 21756 has a population of 3,612 as of the 2010 census.