Area Code 301-205 located in RIVA, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 205 City : RIVA County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 238 Rate Center : WSNG238Z14 ZIP Code Count : 6 ZIP Code Frequency : 5 ZIP Code : 21140 Other Information NPANXX : 301205 County Population : 0 Switch CLLI (Common Language Location Identifier) : MAYOMDMYRS1 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 : EDGEWATER Latitude : 38.9147 Longitude : -76.5522 ‹ previous : 301-205 next › : 301-205 Telephone Number List 301-205-0000 ~ 301-205-9999