About this number
(410) 421 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21146 in the city of Severna Park, Maryland, which is in Anne Arundel County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 410 and Network Numbering Exchange (NXX - also known as a prefix) of 421. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of SVPKMDSPDS0. As well as a Local access and transport area (LATA) of 238. Zip code 21146 has a population of 26,705 as of the 2010 census.