About this number
(301) 789 is a landline based telephone number operated by Core Communications, Inc. - Pa and is located in zip code 20872 in the city of Damascus, Maryland, which is in Montgomery County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 301 and Network Numbering Exchange (NXX - also known as a prefix) of 789. It has an Operating Company Number (OCN) of 3806. A Common Language Location Identifier (CLLI) of DMSCMDAGDS1. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 08/13/2002. Zip code 20872 has a population of 13,104 as of the 2010 census.