Area Code 410-369 located in HANOVER, ANNE ARUNDEL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 369 City : HANOVER County : ANNE ARUNDEL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 24003 LATA (Local Access Transport Area) : 238 Rate Center : BALTIMORE ZIP Code Count : 1 ZIP Code Frequency : 9 ZIP Code : 21076 Other Information NPANXX : 410369 Switch CLLI (Common Language Location Identifier) : LARLMDCC1MD 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 : TW TELECOM OF MARYLAND LLC - MD OCN (Operating Company Number) : 7591 Coverage Area Name : BALTIMORE Latitude : 39.3002 Longitude : -76.6147 ‹ previous : 410-369 next › : 410-369 Telephone Number List 410-369-0000 ~ 410-369-9999