Area Code 410-275 located in CHESAPEAKE CITY, CECIL, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 275 City : CHESAPEAKE CITY 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) : 242 Rate Center : CECILTON ZIP Code Count : 37 ZIP Code Frequency : 2 ZIP Code : 21915 Other Information NPANXX : 410275 Switch CLLI (Common Language Location Identifier) : CCTNMDCLRS0 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 : WARWICK Latitude : 39.4056 Longitude : -75.8638 ‹ previous : 410-275 next › : 410-275 Telephone Number List 410-275-0000 ~ 410-275-9999