Area Code 302-330 located in MILLSBORO, SUSSEX, DE, more detail is as below. Place NPA (Numbering Plan Area) : 302 NXX (Local Number Prefix) : 330 City : MILLSBORO 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 : ANGOLA ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 19966 Other Information NPANXX : 302330 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 : HARBESON Latitude : 38.6517 Longitude : -75.1885 ‹ previous : 302-329 next › : 302-331 Telephone Number List 302-330-0000 ~ 302-330-9999