Area Code 443-413 located in ELKRIDGE, HOWARD, MD, more detail is as below. Place NPA (Numbering Plan Area) : 443 NXX (Local Number Prefix) : 413 City : ELKRIDGE County : HOWARD State : MD (Maryland) NXX Use Type : Wireless NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 24027 LATA (Local Access Transport Area) : 238 Rate Center : BALTIMORE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21075 Other Information NPANXX : 443413 County Population : 0 Switch CLLI (Common Language Location Identifier) : HNVAMDAYCM2 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 : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : BALTIMORE Latitude : 39.1803 Longitude : -76.7232 ‹ previous : 443-413 next › : 443-414 Telephone Number List 443-413-0000 ~ 443-413-9999