About this number
(443) 504 is a landline based telephone number operated by Cavalier Telephone Mid-Atlanti and is located in zip code 21076 in the city of Hanover, 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 443 and Network Numbering Exchange (NXX - also known as a prefix) of 504. It has an Operating Company Number (OCN) of 3910. A Common Language Location Identifier (CLLI) of HNVAMDBHRS0. As well as a Local access and transport area (LATA) of 238. Zip code 21076 has a population of 12,952 as of the 2010 census.