About this number
(301) 829-0048 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21771 in the city of Mount Airy, Maryland, which is in Carroll 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 829 and a subscriber number of 0048. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of MTARMDMARS1. As well as a Local access and transport area (LATA) of 240. Zip code 21771 has a population of 29,563 as of the 2010 census.