About this number
(301) 570-6022 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 20832 in the city of Olney, 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 570 and a subscriber number of 6022. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of OLNYMDOKDS0. As well as a Local access and transport area (LATA) of 236. Zip code 20832 has a population of 24,965 as of the 2010 census.