Area Code +1-831-(2191000...2191999) located in Aptos, California (CA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 831 Subscriber Number From : 2191000 Subscriber Number To : 2191999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : CBEYOND COMMS - CA Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : CA Region Name : California City : Aptos Timezone : America/Los_Angeles Coordinated Universal Time : -08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 36.9800 Longitude : -121.9000 ‹ previous : +1-831-(2190000...2190999) next › : +1-831-(2192000...2192999) Dialling Instructions For trunk calls: 0 831 2191000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 831 2191000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2191000 ~ 2191999 (Count: 1,000) Example: +1-831-2191000 / 0111-831-2191000 (1831-2191000 / 1-831-2191000) +1-831-2191001 / 0111-831-2191001 (1831-2191001 / 1-831-2191001) +1-831-2191002 / 0111-831-2191002 (1831-2191002 / 1-831-2191002) +1-831-2191003 / 0111-831-2191003 (1831-2191003 / 1-831-2191003) +1-831-2191004 / 0111-831-2191004 (1831-2191004 / 1-831-2191004) ...+1-831-xxxxxxx / 0111-831-xxxxxxx (1831-xxxxxxx / 1-831-xxxxxxx) ...+1-831-2191995 / 0111-831-2191995 (1831-2191995 / 1-831-2191995) +1-831-2191996 / 0111-831-2191996 (1831-2191996 / 1-831-2191996) +1-831-2191997 / 0111-831-2191997 (1831-2191997 / 1-831-2191997) +1-831-2191998 / 0111-831-2191998 (1831-2191998 / 1-831-2191998) +1-831-2191999 / 0111-831-2191999 (1831-2191999 / 1-831-2191999)