Area Code 302-389 located in CLAYTON, KENT, DE, more detail is as below. Place NPA (Numbering Plan Area) : 302 NXX (Local Number Prefix) : 389 City : CLAYTON County : KENT State : DE (Delaware) NXX Use Type : Landline NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 10001 LATA (Local Access Transport Area) : 228 Rate Center : SMYRNA ZIP Code Count : 1 ZIP Code Frequency : 11 ZIP Code : 19938 Other Information NPANXX : 302389 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWRKDEWWDS0 MSA CBSA (Core Based Statistical Area) : Dover, DE MSA CBSA Code (Core Based Statistical Area) : 20100 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 : SMYRNA Latitude : 39.3038 Longitude : -75.6080 ‹ previous : 302-388 next › : 302-389 Telephone Number List 302-389-0000 ~ 302-389-9999