About this number
(443) 203 is a landline based telephone number operated by Verizon Maryland, Inc. and is located in zip code 21106 in the city of Mayo, 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 443 and Network Numbering Exchange (NXX - also known as a prefix) of 203. It has an Operating Company Number (OCN) of 9212. A Common Language Location Identifier (CLLI) of MAYOMDMYRS1. As well as a Local access and transport area (LATA) of 238.