Area Code 410-427 located in TOWSON, BALTIMORE, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 427 City : TOWSON County : BALTIMORE State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 24005 LATA (Local Access Transport Area) : 238 Rate Center : TOWSON ZIP Code Count : 2 ZIP Code Frequency : 12 ZIP Code : 21286 Other Information NPANXX : 410427 Switch CLLI (Common Language Location Identifier) : BLTMMDFMDS0 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 : TELEPORT COMMUNICATIONS AMERICA, LLC - MD OCN (Operating Company Number) : 7325 Coverage Area Name : BALTIMORE Latitude : 39.2938 Longitude : -76.6132 ‹ previous : 410-427 next › : 410-427 Telephone Number List 410-427-0000 ~ 410-427-9999