About this number
(301) 433 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 20222 in the city of Washington, Maryland, which is in District Of Columbia 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 433. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of ALTWMDATDS0. As well as a Local access and transport area (LATA) of 236.