About this number
(301) 858 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21401 in the city of Annapolis, 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 301 and Network Numbering Exchange (NXX - also known as a prefix) of 858. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of STMRMDSMRS1. As well as a Local access and transport area (LATA) of 238. Zip code 21401 has a population of 36,012 as of the 2010 census.