Area Code 240-261 located in CROFTON, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 261 City : CROFTON County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 236 Rate Center : WSNGTNZN10 ZIP Code Count : 1 ZIP Code Frequency : 20 ZIP Code : 21114 Other Information NPANXX : 240261 County Population : 0 Switch CLLI (Common Language Location Identifier) : RSTNVA31DS0 MSA CBSA (Core Based Statistical Area) : Baltimore-Towson, MD MSA CBSA Code (Core Based Statistical Area) : 12580 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : GLOBAL NAPS SOUTH, INC. - MD OCN (Operating Company Number) : 2554 Coverage Area Name : ROCKVILLE Latitude : 39.0867 Longitude : -77.1600 ‹ previous : 240-261 next › : 240-261 Telephone Number List 240-261-0000 ~ 240-261-9999