Area Code 340-777 located in ST THOMAS, SAINT THOMAS, VI, more detail is as below. Place NPA (Numbering Plan Area) : 340 NXX (Local Number Prefix) : 777 City : ST THOMAS County : SAINT THOMAS State : VI (None) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 78030 LATA (Local Access Transport Area) : 822 Rate Center : CHTAMSTTHS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 00802 Other Information NPANXX : 340777 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHAMVIXX774 Time Zone : Atlantic (GMT -04:00) Observes Daylight Saving Time : No Company : VIRGIN ISLANDS TEL. CORP. DBA INNOVATIVE TELEPHONE OCN (Operating Company Number) : 3300 Coverage Area Name : CHARLOTTE AMALIE Latitude : 18.3495 Longitude : -64.9416 ‹ previous : 340-776 next › : 340-778 Telephone Number List 340-777-0000 ~ 340-777-9999