Area Code +27-11-(5100000...5109999) located in RANDBURG, GAUTENG (GT), more detail is as below. Place International Dialing Code : 27 International Prefix : 00 National Prefix : 0 National Destination Code : 11 Subscriber Number From : 5100000 Subscriber Number To : 5109999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telkom SA Click here to buy South Africa Area Code Database Other Information Language Code : en (English) Country Number : 710 (South Africa) Country Code : ZA (South Africa) Region Code : GT Region Name : GAUTENG City : RANDBURG Timezone : Africa/Johannesburg Coordinated Universal Time : +02:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -26.0900 Longitude : 28.0100 ‹ previous : +27-11-(5090000...5099999) next › : +27-11-(5110000...5119999) Dialling Instructions For trunk calls: 0 11 5100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 27 11 5100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5100000 ~ 5109999 (Count: 10,000) Example: +27-11-5100000 / 0027-11-5100000 (011-5100000 / 0-11-5100000) +27-11-5100001 / 0027-11-5100001 (011-5100001 / 0-11-5100001) +27-11-5100002 / 0027-11-5100002 (011-5100002 / 0-11-5100002) +27-11-5100003 / 0027-11-5100003 (011-5100003 / 0-11-5100003) +27-11-5100004 / 0027-11-5100004 (011-5100004 / 0-11-5100004) ...+27-11-xxxxxxx / 0027-11-xxxxxxx (011-xxxxxxx / 0-11-xxxxxxx) ...+27-11-5109995 / 0027-11-5109995 (011-5109995 / 0-11-5109995) +27-11-5109996 / 0027-11-5109996 (011-5109996 / 0-11-5109996) +27-11-5109997 / 0027-11-5109997 (011-5109997 / 0-11-5109997) +27-11-5109998 / 0027-11-5109998 (011-5109998 / 0-11-5109998) +27-11-5109999 / 0027-11-5109999 (011-5109999 / 0-11-5109999)