Area Code 302-321 located in DAGSBORO, SUSSEX, DE, more detail is as below. Place NPA (Numbering Plan Area) : 302 NXX (Local Number Prefix) : 321 City : DAGSBORO County : SUSSEX State : DE (Delaware) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 10005 LATA (Local Access Transport Area) : 228 Rate Center : DAGSBORO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 19939 Other Information NPANXX : 302321 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWRKDEWWDS0 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 : CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - DE OCN (Operating Company Number) : 7968 Coverage Area Name : DAGSBORO Latitude : 38.5151 Longitude : -75.2357 ‹ previous : 302-320 next › : 302-322 Telephone Number List 302-321-0000 ~ 302-321-9999