Area Code 443-204 located in PIKESVILLE, BALTIMORE, MD, more detail is as below. Place NPA (Numbering Plan Area) : 443 NXX (Local Number Prefix) : 204 City : PIKESVILLE County : BALTIMORE State : MD (Maryland) NXX Use Type : Wireless NXX Intro Version : 2003-11-11 FIPS (Federal Information Processing Standards) : 24005 LATA (Local Access Transport Area) : 238 Rate Center : PIKESVILLE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21208 Other Information NPANXX : 443204 County Population : 0 Switch CLLI (Common Language Location Identifier) : CLMAMDORGT0 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 : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : PIKESVILLE Latitude : 39.3770 Longitude : -76.7259 ‹ previous : 443-203 next › : 443-205 Telephone Number List 443-204-0000 ~ 443-204-9999