Area Code 240-512 located in COLLEGE PARK, PRINCE GEORGES, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 512 City : COLLEGE PARK County : PRINCE GEORGES State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 8/8/2006 FIPS (Federal Information Processing Standards) : 24033 LATA (Local Access Transport Area) : 238 Rate Center : WSNG238Z13 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20740 Other Information NPANXX : 240512 County Population : 0 Switch CLLI (Common Language Location Identifier) : PIVLMDPKDSZ MSA CBSA (Core Based Statistical Area) : Washington-Arlington-Alexandria, DC-VA-MD-WV MSA CBSA Code (Core Based Statistical Area) : 47900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : CORE COMMUNICATIONS, INC. - MD OCN (Operating Company Number) : 2593 Coverage Area Name : COLLEGE PARK Latitude : 38.9931 Longitude : -76.9132 ‹ previous : 240-510 next › : 240-513 Telephone Number List 240-512-0000 ~ 240-512-9999