Area Code 301-672 located in CALLAWAY, SAINT MARYS, MD, more detail is as below. Place NPA (Numbering Plan Area) : 301 NXX (Local Number Prefix) : 672 City : CALLAWAY County : SAINT MARYS State : MD (Maryland) NXX Use Type : Wireless NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 24037 LATA (Local Access Transport Area) : 236 Rate Center : LXTNPKGRML ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 20620 Other Information NPANXX : 301672 County Population : 0 Switch CLLI (Common Language Location Identifier) : SLSPMDEJCM1 MSA CBSA (Core Based Statistical Area) : Lexington Park, MD MSA CBSA Code (Core Based Statistical Area) : 30500 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : TALL TIMBERS Latitude : 38.2394 Longitude : -76.4909 ‹ previous : 301-671 next › : 301-672 Telephone Number List 301-672-0000 ~ 301-672-9999