About this number
(301) 963-0015 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 20877 in the city of Gaithersburg, 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, a Network Numbering Exchange (NXX - also known as a prefix) of 963 and a subscriber number of 0015. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of GTBGMDGBPS0. As well as a Local access and transport area (LATA) of 236. Zip code 20877 has a population of 34,321 as of the 2010 census.