Area Code +27-12-(3770000...3779999) located in PRETORIA, 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 : 3770000 Subscriber Number To : 3779999 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 : PRETORIA Timezone : Africa/Johannesburg Coordinated Universal Time : +02:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -25.7300 Longitude : 28.2200 ‹ previous : +27-12-(3760000...3769999) next › : +27-12-(3780000...3789999) Dialling Instructions For trunk calls: 0 12 3770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 27 12 3770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3770000 ~ 3779999 (Count: 10,000) Example: +27-12-3770000 / 0027-12-3770000 (012-3770000 / 0-12-3770000) +27-12-3770001 / 0027-12-3770001 (012-3770001 / 0-12-3770001) +27-12-3770002 / 0027-12-3770002 (012-3770002 / 0-12-3770002) +27-12-3770003 / 0027-12-3770003 (012-3770003 / 0-12-3770003) +27-12-3770004 / 0027-12-3770004 (012-3770004 / 0-12-3770004) ...+27-12-xxxxxxx / 0027-12-xxxxxxx (012-xxxxxxx / 0-12-xxxxxxx) ...+27-12-3779995 / 0027-12-3779995 (012-3779995 / 0-12-3779995) +27-12-3779996 / 0027-12-3779996 (012-3779996 / 0-12-3779996) +27-12-3779997 / 0027-12-3779997 (012-3779997 / 0-12-3779997) +27-12-3779998 / 0027-12-3779998 (012-3779998 / 0-12-3779998) +27-12-3779999 / 0027-12-3779999 (012-3779999 / 0-12-3779999)