Area Code 301-244 located in DAMASCUS, MONTGOMERY, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 244 City : DAMASCUS County : MONTGOMERY State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 24031 LATA (Local Access Transport Area) : 236 Rate Center : WSHNGTNZN3 ZIP Code Count : 2 ZIP Code Frequency : 100 ZIP Code : 20872 Other Information NPANXX : 301244 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHCHMDBE5MD 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 : TELCOVE OPERATIONS, INC. - MD OCN (Operating Company Number) : 4749 Coverage Area Name : ROCKVILLE Latitude : 39.0558 Longitude : -77.1230 ‹ previous : 301-243 next › : 301-245 Telephone Number List 301-244-0000 ~ 301-244-9999