Area Code 340-771 located in FREDERIKSTED, SAINT CROIX, VI, more detail is as below. Place NPA (Numbering Plan Area) : 340 NXX (Local Number Prefix) : 771 City : FREDERIKSTED County : SAINT CROIX State : VI (None) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 78010 LATA (Local Access Transport Area) : 822 Rate Center : CHNSTDSTCR ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 00840 Other Information NPANXX : 340771 County Population : 0 Switch CLLI (Common Language Location Identifier) : MTXIVIXA771 Time Zone : Atlantic (GMT -04:00) Observes Daylight Saving Time : No Company : VITELCOM CELLULAR, INC. OCN (Operating Company Number) : 346D Coverage Area Name : ST CROIX Latitude : 17.7473 Longitude : -64.7088 ‹ previous : 340-770 next › : 340-771 Telephone Number List 340-771-0000 ~ 340-771-9999