About this number
(410) 329 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21111 in the city of Monkton, Maryland, which is in Baltimore 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 329. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of MANRMDMNRS0. As well as a Local access and transport area (LATA) of 238. Zip code 21111 has a population of 4,903 as of the 2010 census.