Area Code 302-578 located in DAGSBORO, SUSSEX, DE, more detail is as below. Place NPA (Numbering Plan Area) : 302 NXX (Local Number Prefix) : 578 City : DAGSBORO County : SUSSEX State : DE (Delaware) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 10005 LATA (Local Access Transport Area) : 228 Rate Center : GUMBORO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 19939 Other Information NPANXX : 302578 County Population : 0 Switch CLLI (Common Language Location Identifier) : PHLAPASBDS0 MSA CBSA (Core Based Statistical Area) : Seaford, DE MSA CBSA Code (Core Based Statistical Area) : 42580 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : TCG NEW JERSEY, INC. - PA OCN (Operating Company Number) : 7309 Coverage Area Name : DELMAR Latitude : 38.4823 Longitude : -75.3672 ‹ previous : 302-578 next › : 302-581 Telephone Number List 302-578-0000 ~ 302-578-9999