Area Code +246-37-(00000...99999) located in Diego Garcia, more detail is as below. Place International Dialing Code : 246 International Prefix : 00 National Destination Code : 37 Subscriber Number From : 00000 Subscriber Number To : 99999 National Destination Code Length : 2 Uses National Destination Code : No National Significant Number Length : 7 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Cable and Wireless (C&W) Click here to buy British Indian Ocean Territory Area Code Database Other Information Language Code : en (English) Country Number : 86 (British Indian Ocean Territory) Country Code : IO (British Indian Ocean Territory) Region Name : Diego Garcia Timezone : Indian/Chagos Coordinated Universal Time : +06:00 Daylight Saving Time : No National Significant Number Minimum Length : 7 Latitude : -7.3300 Longitude : 72.4200 next › : +246-38-(00000...99999) Dialling Instructions For trunk calls: 0 37 00000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 246 37 00000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000 ~ 99999 (Count: 100,000) Example: +246-37-00000 / 00246-37-00000 (37-00000 / -37-00000) +246-37-00001 / 00246-37-00001 (37-00001 / -37-00001) +246-37-00002 / 00246-37-00002 (37-00002 / -37-00002) +246-37-00003 / 00246-37-00003 (37-00003 / -37-00003) +246-37-00004 / 00246-37-00004 (37-00004 / -37-00004) ...+246-37-xxxxx / 00246-37-xxxxx (37-xxxxx / -37-xxxxx) ...+246-37-99995 / 00246-37-99995 (37-99995 / -37-99995) +246-37-99996 / 00246-37-99996 (37-99996 / -37-99996) +246-37-99997 / 00246-37-99997 (37-99997 / -37-99997) +246-37-99998 / 00246-37-99998 (37-99998 / -37-99998) +246-37-99999 / 00246-37-99999 (37-99999 / -37-99999)