Area Code 301-225 located in GREENBELT, PRINCE GEORGES, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 225 City : GREENBELT County : PRINCE GEORGES State : MD (Maryland) NXX Use Type : Wireless NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 24033 LATA (Local Access Transport Area) : 236 Rate Center : WSNGTNZN13 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20770 Other Information NPANXX : 301225 County Population : 0 Switch CLLI (Common Language Location Identifier) : STLDMDAQCM1 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 Company : TELEPORT COMMUNICATIONS AMERICA, LLC - DC OCN (Operating Company Number) : 7529 Coverage Area Name : GLENN DALE Latitude : 38.9839 Longitude : -76.8136 ‹ previous : 301-225 next › : 301-226 Telephone Number List 301-225-0000 ~ 301-225-9999