Area Code 301-363 located in DAMASCUS, MONTGOMERY, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 363 City : DAMASCUS County : MONTGOMERY State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 8/16/2006 FIPS (Federal Information Processing Standards) : 24031 LATA (Local Access Transport Area) : 240 Rate Center : DAMASCS240 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20872 Other Information NPANXX : 301363 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRDRMDFRJMD 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 : LEVEL 3 COMMUNICATIONS, LLC - MD OCN (Operating Company Number) : 6119 Coverage Area Name : DAMASCUS Latitude : 39.2904 Longitude : -77.2083 ‹ previous : 301-362 next › : 301-364 Telephone Number List 301-363-0000 ~ 301-363-9999