About this number
(301) 995-4021 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 20670 in the city of Patuxent River, Maryland, which is in St Mary'S 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 995 and a subscriber number of 4021. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of PNATMDAFDS0. As well as a Local access and transport area (LATA) of 236. Zip code 20670 has a population of 1,014 as of the 2010 census.