Area Code 410-309 located in COLUMBIA, HOWARD, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 309 City : COLUMBIA County : HOWARD State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 24027 LATA (Local Access Transport Area) : 238 Rate Center : COLUMBIA ZIP Code Count : 433 ZIP Code Frequency : 53 ZIP Code : 21045 Other Information NPANXX : 410309 Switch CLLI (Common Language Location Identifier) : CLMAMDOBDS0 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 : COLUMBIA Latitude : 39.1885 Longitude : -76.8313 ‹ previous : 410-309 next › : 410-310 Telephone Number List 410-309-0000 ~ 410-309-9999
