Area Code +27-12-(5430000...5439999) located in WONDERBOOM, GAUTENG (GT), more detail is as below. Place International Dialing Code : 27 International Prefix : 00 National Prefix : 0 National Destination Code : 12 Subscriber Number From : 5430000 Subscriber Number To : 5439999 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 : WONDERBOOM Timezone : Africa/Johannesburg Coordinated Universal Time : +02:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -25.6900 Longitude : 28.2000 ‹ previous : +27-12-(5420000...5429999) next › : +27-12-(5440000...5449999) Dialling Instructions For trunk calls: 0 12 5430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 27 12 5430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5430000 ~ 5439999 (Count: 10,000) Example: +27-12-5430000 / 0027-12-5430000 (012-5430000 / 0-12-5430000) +27-12-5430001 / 0027-12-5430001 (012-5430001 / 0-12-5430001) +27-12-5430002 / 0027-12-5430002 (012-5430002 / 0-12-5430002) +27-12-5430003 / 0027-12-5430003 (012-5430003 / 0-12-5430003) +27-12-5430004 / 0027-12-5430004 (012-5430004 / 0-12-5430004) ...+27-12-xxxxxxx / 0027-12-xxxxxxx (012-xxxxxxx / 0-12-xxxxxxx) ...+27-12-5439995 / 0027-12-5439995 (012-5439995 / 0-12-5439995) +27-12-5439996 / 0027-12-5439996 (012-5439996 / 0-12-5439996) +27-12-5439997 / 0027-12-5439997 (012-5439997 / 0-12-5439997) +27-12-5439998 / 0027-12-5439998 (012-5439998 / 0-12-5439998) +27-12-5439999 / 0027-12-5439999 (012-5439999 / 0-12-5439999)