Area Code 240-373 located in ODENTON, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 240 NXX (Local Number Prefix) : 373 City : ODENTON County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 236 Rate Center : WSNG236Z13 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21113 Other Information NPANXX : 240373 County Population : 0 Switch CLLI (Common Language Location Identifier) : ODTNMDAUDS0 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 : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : ODENTON Latitude : 39.1017 Longitude : -76.7221 ‹ previous : 240-372 next › : 240-374 Telephone Number List 240-373-0000 ~ 240-373-9999