Area Code 410-774 located in CROFTON, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 774 City : CROFTON County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 238 Rate Center : CROFTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21114 Other Information NPANXX : 410774 Switch CLLI (Common Language Location Identifier) : BLTMMDDNDS0 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 Company : MCIMETRO ACCESS TRANSMISSION SERVICES LLC OCN (Operating Company Number) : 7229 Coverage Area Name : CROFTON Latitude : 38.9904 Longitude : -76.6711 ‹ previous : 410-773 next › : 410-775 Telephone Number List 410-774-0000 ~ 410-774-9999