About this number
(240) 436 is a landline based telephone number operated by Telcove Operations, Inc. - Md and is located in zip code 21754 in the city of Ijamsville, Maryland, which is in Frederick 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 436. It has an Operating Company Number (OCN) of 4749. A Common Language Location Identifier (CLLI) of IJVLMD01DS0. As well as a Local access and transport area (LATA) of 240. Zip code 21754 has a population of 6,323 as of the 2010 census.