Dialing telephone calls from Sao Tome and Principe to Congo-Kinshasa
00
▶ 243
▶ city code
▶ local number
Step-by-step
00
▼ This IDD (International Direct Dial) prefix tells the phone system in Sao Tome and Principe that you are dialing an international number.
243
▼ Country code for Congo-Kinshasa.
city code
▼ local number
Notes
Not sure what time it is on the other end of the line? Look here for Congo-Kinshasa time, date, and time zone information.
If you are calling from a hotel or office phone system, additional steps may be required.