How to call from South Africa?

A lot of people are going to South Africa to watch the FIFA Soccer world cup 2010 matches. They may want to call their loved ones in their home country. To do so they can use public phones or their own mobile phones with local SIM or roaming SIM.
To call Sri Lanka from South Africa you have to dial 0094, area code and the subscriber number.
To call USA or Canada from South Africa you have to dial 001, area code and the subscriber number.
To call South Africa International code 0027
To make calls from the US to South Africa landlines, follow it in the international dialing format: 011 + 27 + xx + xxxxxxx
To make calls from Sri Lanka to South Africa landlines,
follow it in the international dialing format: 011 + 27 + xx + xxxxxxx

Consulate of South Africa in Sri Lanka
Office Address : No. 129, Reid Avenue, Colombo 4
National Day : April, 27
Telephone : 0112597149, 0114524012
Fax : 0112598271

High Commission of the Democratic Socialist Republic of Sri Lanka
410, Alexander Street,
Brooklyn, Pretoria 0181
South Africa

Tel: +27 (0)12 460 7679 / 460 7690
Fax: + 27 (0) 12 460 7702