About this number
(443) 634 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21001 in the city of Aberdeen, Maryland, which is in Harford 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 634. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of ABRDMDABDS0. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 11/09/2011. Zip code 21001 has a population of 21,487 as of the 2010 census.