Area Code 410-721 located in DAVIDSONVILLE, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 721 City : DAVIDSONVILLE County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 238 Rate Center : CROFTON ZIP Code Count : 211 ZIP Code Frequency : 4 ZIP Code : 21035 Other Information NPANXX : 410721 Switch CLLI (Common Language Location Identifier) : COTNMDCRDS0 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 : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : CROFTON Latitude : 38.9968 Longitude : -76.6725 ‹ previous : 410-721 next › : 410-721 Telephone Number List 410-721-0000 ~ 410-721-9999