Area Code 302-549 located in MILLSBORO, SUSSEX, DE, more detail is as below. Place NPA (Numbering Plan Area) : 302 NXX (Local Number Prefix) : 549 City : MILLSBORO County : SUSSEX State : DE (Delaware) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 10005 LATA (Local Access Transport Area) : 228 Rate Center : ANGOLA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 19966 Other Information NPANXX : 302549 County Population : 0 Switch CLLI (Common Language Location Identifier) : PHLAPAMKX3Y 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 : PEERLESS NETWORK OF DELAWARE, LLC - DE OCN (Operating Company Number) : 349F Coverage Area Name : HARBESON Latitude : 38.6517 Longitude : -75.1885 ‹ previous : 302-549 next › : 302-552 Telephone Number List 302-549-0000 ~ 302-549-9999