Guinea Bissau Postal Codes

Guinea Bissau uses postal codes in the format #### (# = digit, @ = letter).

Example postal codes

• 1000
• 1011

How an address is written in Guinea Bissau

This is the order Guinea Bissau's postal service expects. Square brackets mark what you replace.

[Recipient name]
[Street address]
[Postal code (1000)] [City]
GUINEA BISSAU

A postal code is optional in Guinea Bissau addresses — mail is deliverable without one, though including it speeds up sorting.

Country reference

Sources and licensing

Postal code data from GeoNames, used under the Creative Commons Attribution 4.0 International licence. Address formats and validation rules derive from Google's international address metadata, cross-checked against Universal Postal Union addressing standards. Last verified August 2026. Confirm time-critical addresses with the destination country's postal operator.