Area Code 340-220 located in CHRISTIANSTED, SAINT CROIX, VI, more detail is as below. Place NPA (Numbering Plan Area) : 340 NXX (Local Number Prefix) : 220 City : CHRISTIANSTED County : SAINT CROIX State : VI (None) NXX Use Type : Wireless NXX Intro Version : 4/13/2010 FIPS (Federal Information Processing Standards) : 78010 LATA (Local Access Transport Area) : 822 Rate Center : CHNSTDSTCR ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 00820 Other Information NPANXX : 340220 County Population : 0 Time Zone : Atlantic (GMT -04:00) Observes Daylight Saving Time : No Company : COMMNET WIRELESS, LLC OCN (Operating Company Number) : 5736 Coverage Area Name : ST CROIX Latitude : 17.7473 Longitude : -64.7088 ‹ previous : 340-212 next › : 340-226 Telephone Number List 340-220-0000 ~ 340-220-9999