Area Code 410-364 located in RIDGELY, CAROLINE, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 364 City : RIDGELY County : CAROLINE State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 24011 LATA (Local Access Transport Area) : 242 Rate Center : HILLSBORO ZIP Code Count : 30 ZIP Code Frequency : 4 ZIP Code : 21660 Other Information NPANXX : 410364 Switch CLLI (Common Language Location Identifier) : HLBOMDTKRS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : QUEEN ANNE Latitude : 38.9265 Longitude : -75.9205 ‹ previous : 410-364 next › : 410-364 Telephone Number List 410-364-0000 ~ 410-364-9999