There are no zip codes in Panama. Some electronic forms have difficulties with this. They will not let you submit your address without a zip code. In that case, put 5 zeros for the zip code. There are however private postal codes which identify specific PO Boxes these consists of four numeric digits. The first two digits represent the province or provincial-level indigenous region. For the provinces, these are the same digits as used in its ISO 3166-2 code.

Province Post Code Bocas del Toro 0101 Chiriquí 0401 Coclé 0201 Colón 0301 Darién 0501 Herrera 0601 Los Santos 0701 Panamá 0801 Panamá Oeste 1001 Veraguas 0901

For a complete listing of the country's postal codes, broken down by province and district, visit the Panama Postal Codes page.

References