Area Code 240-734 located in HAGERSTOWN, WASHINGTON, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 734 City : HAGERSTOWN County : WASHINGTON State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 3/22/2012 FIPS (Federal Information Processing Standards) : 24043 LATA (Local Access Transport Area) : 240 Rate Center : SMITHSBURG ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 21742 Other Information NPANXX : 240734 County Population : 0 MSA CBSA (Core Based Statistical Area) : Hagerstown-Martinsburg, MD-WV MSA CBSA Code (Core Based Statistical Area) : 25180 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : BANDWIDTH.COM CLEC, LLC - MD OCN (Operating Company Number) : 071F Coverage Area Name : HAGERSTOWN Latitude : 39.6437 Longitude : -77.7198 ‹ previous : 240-731 next › : 240-737 Telephone Number List 240-734-0000 ~ 240-734-9999