Area Code 410-287 located in CHARLESTOWN, CECIL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 287 City : CHARLESTOWN County : CECIL State : MD (Maryland) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 24015 LATA (Local Access Transport Area) : 238 Rate Center : NORTH EAST ZIP Code Count : 313 ZIP Code Frequency : 6 ZIP Code : 21914 Other Information NPANXX : 410287 Switch CLLI (Common Language Location Identifier) : NRTEMDNERS0 MSA CBSA (Core Based Statistical Area) : Philadelphia-Camden-Wilmington, PA-NJ-DE-MD MSA CBSA Code (Core Based Statistical Area) : 37980 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON MARYLAND, INC. OCN (Operating Company Number) : 9212 Coverage Area Name : NORTH EAST Latitude : 39.6001 Longitude : -75.9446 ‹ previous : 410-287 next › : 410-287 Telephone Number List 410-287-0000 ~ 410-287-9999