Dialling procedure for making International Calls from Guinea-Bissau
(From your Home Country to Other Countries)
To make an International call first you need to dial an International Call Prefix.
It is simply 00 for many countries. But Several countries follow different International Call Prefixes.
Dial the country calling code of the number to which you want to make the call
For e.g., If You are dialling from Guinea-Bissau to USA, Dial 00, which is the International prefix for Guinea-Bissau,
followed by country calling code of USA which is 1.
*International prefix is also called dial out code
Dialling procedure for making International Calls to Guinea-Bissau
(From Other Countries to your home Countries)
Dial the International Prefix of the country where you are currently residing
Dial the Country Calling Code of the number to which you want to make the call
For e.g., If You are making an International call from USA to Guinea-Bissau, Dial 011 first, which is the International Call Prefix for USA,
followed by country calling code of Guinea-Bissau which is +245.
Dialling procedure for making Toll Free Calls from Guinea-Bissau
Dial the toll free code first
Dial the number you want to call
Note: The person who is making a toll-free call need not pay any charge for the call.However, if the
toll-free call you are making is from a different country overseas call charges will apply.
Dialling procedure for making Emergency Calls from Guinea-Bissau
Dial 112 or 999 from your mobile phone
Emergency calls in mobile phones work through any of the available mobile network in your area
Dial from an office or institution
To dial from behind a board line you should dial 0 or 9 as per the procedure for that office
If direct dialling is disabled, you need to connect to an opeartor first
In the above case, The operator will make the call for you after getting the phone number from you