About this number
(443) 353-0003 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21030 in the city of Cockeysville, 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 443, a Network Numbering Exchange (NXX - also known as a prefix) of 353 and a subscriber number of 0003. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of CYVLMDDADS0. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 03/19/2004. Zip code 21030 has a population of 24,355 as of the 2010 census.