Area Code +27-16-(3430000...3439999) located in HEIDELBERG(TVL), GAUTENG (GT), more detail is as below. Place International Dialing Code : 27 International Prefix : 00 National Prefix : 0 National Destination Code : 16 Subscriber Number From : 3430000 Subscriber Number To : 3439999 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 : HEIDELBERG(TVL) Timezone : Africa/Johannesburg Coordinated Universal Time : +02:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -26.5000 Longitude : 28.3600 ‹ previous : +27-16-(3420000...3429999) next › : +27-16-(3490000...3499999) Dialling Instructions For trunk calls: 0 16 3430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 27 16 3430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3430000 ~ 3439999 (Count: 10,000) Example: +27-16-3430000 / 0027-16-3430000 (016-3430000 / 0-16-3430000) +27-16-3430001 / 0027-16-3430001 (016-3430001 / 0-16-3430001) +27-16-3430002 / 0027-16-3430002 (016-3430002 / 0-16-3430002) +27-16-3430003 / 0027-16-3430003 (016-3430003 / 0-16-3430003) +27-16-3430004 / 0027-16-3430004 (016-3430004 / 0-16-3430004) ...+27-16-xxxxxxx / 0027-16-xxxxxxx (016-xxxxxxx / 0-16-xxxxxxx) ...+27-16-3439995 / 0027-16-3439995 (016-3439995 / 0-16-3439995) +27-16-3439996 / 0027-16-3439996 (016-3439996 / 0-16-3439996) +27-16-3439997 / 0027-16-3439997 (016-3439997 / 0-16-3439997) +27-16-3439998 / 0027-16-3439998 (016-3439998 / 0-16-3439998) +27-16-3439999 / 0027-16-3439999 (016-3439999 / 0-16-3439999)