Area Code 301-970 located in ANNAPOLIS, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 970 City : ANNAPOLIS 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 : WSNG238Z14 ZIP Code Count : 95 ZIP Code Frequency : 90 ZIP Code : 21401 Other Information NPANXX : 301970 County Population : 0 Switch CLLI (Common Language Location Identifier) : PARLMDPADS0 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 : ANNAPOLIS Latitude : 38.9870 Longitude : -76.5517 ‹ previous : 301-970 next › : 301-971 Telephone Number List 301-970-0000 ~ 301-970-9999