About this number
(240) 581 is a landline based telephone number operated by Paetec Communications, Inc. - and is located in zip code 20024 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 240 and Network Numbering Exchange (NXX - also known as a prefix) of 581. It has an Operating Company Number (OCN) of 4989. A Common Language Location Identifier (CLLI) of WASHDCSWXCY. As well as a Local access and transport area (LATA) of 236. Zip code 20024 has a population of 11,510 as of the 2010 census.