Area Code 410-229 located in TOWSON, BALTIMORE, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 229 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 : COCKEYSVL ZIP Code Count : 1 ZIP Code Frequency : 2 ZIP Code : 21286 Other Information NPANXX : 410229 Switch CLLI (Common Language Location Identifier) : CYVLMDDADS0 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 : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : COCKEYSVILLE Latitude : 39.4948 Longitude : -76.6462 ‹ previous : 410-229 next › : 410-229 Telephone Number List 410-229-0000 ~ 410-229-9999