About this number
There are 3 SPAM ratings and 2 comments for this phone number. (301) 810-4288 is a landline based telephone number operated by McI Worldcom Communications, I and is located in zip code 21770 in the city of Monrovia, 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 301, a Network Numbering Exchange (NXX - also known as a prefix) of 810 and a subscriber number of 4288. It has an Operating Company Number (OCN) of 7228. A Common Language Location Identifier (CLLI) of FRDRMDFRLMD. As well as a Local access and transport area (LATA) of 240. It was first assigned for usage on 08/18/2004. Zip code 21770 has a population of 5,164 as of the 2010 census.