| Country | Country Code | Destination’s Postal Operator | Link |
| Australia | AU | Australia Post | auspost.com.au |
| Austria | AT | Austrian Post | post.at |
| Belarus | BY | Belposhta | belpost.by |
| Belgium | BE | Bpost | bpost.be |
| Brazil | BR | Correios | correios.com.br |
| Bulgaria | BG | Bulgarian Posts | bgpost.bg |
| Croatia | HR | Hrvatska pošta | posta.hr |
| Czechia | CZ | Česká pošta | cpost.cz |
| Denmark | DK | Post Danmark | postdanmark.dk |
| Estonia | EE | Omniva | omniva.ee |
| Finland | FI | Posti | posti.fi |
| France | FR | La Poste | laposte.fr |
| Germany | DE | Deutsche Post | deutschepost.de |
| Gibraltar | GI | Royal Gibraltar Post Office | gibraltar.gov.gi/postal-a-philatelic |
| Great Britain | GB | Royal Mail | royalmail.com.uk |
| Greece | GR | Hellenic Post | elta.gr |
| Hong Kong | HK | Hongkong Post | hongkongpost.hk |
| Hungary | HU | Magyar Posta | posta.hu |
| Iceland | IS | Íslandspóstur | postur.is |
| India | IN | India Post | indiapost.gov.in |
| Indonesia | ID | Pos Indonesia | posindonesia.co.id |
| Ireland | IE | An Post | anpost.ie |
| Israel | IL | Israel Post | israelpost.co.il |
| Italy | IT | Poste italiane | poste.it |
| Japan | JP | Japan Post Holdings | japanpost.jp |
| Lebanon | LB | LibanPost | libanpost.com |
| Lithuania | LT | Lietuvos paštas | post.lt |
| Luxembourg | LU | Post Luxembourg | post.lu |
| Malaysia | MY | Pos Malaysia | pos.com.my |
| Malta | MT | MaltaPost | maltapost.com |
| Mexico | MX | Correos de México | sepomex.gob.mx |
| Netherlands | NL | PostNL | postnl.nl |
| New Zealand | NZ | New Zealand Post | nzpost.co.nz |
| Norway | NO | Posten | posten.no |
| Poland | PL | Poczta Polska | poczta-polska.pl |
| Portugal | PT | Correios de Portugal | ctt.pt |
| Romania | RO | Poșta Română | posta-romana.ro |
| Russian Federation | RU | Russian Post | pochta.ru |
| Saudi Arabia | SA | Saudi Post | splonline.com.sa |
| Serbia | RS | Pošta Srbije | posta.rs |
| Singapore | SG | Singapore Post | singpost.com.sg |
| Slovakia | SK | Slovenská pošta | posta.sk |
| Slovenia | SI | Pošta Slovenije | posta.si |
| South Korea | KR | Korea Post | koreapost.go.kr |
| Spain | ES | Correos | correos.es |
| Sweden | SE | PostNord | postnord.se |
| Switzerland | CH | Swiss Post | post.ch/poste.ch/posta.ch |
| Taiwan | TW | Chunghwa Post | post.gov.tw |
| Thailand | TH | Thailand Post | thailandpost.com |
| Türkiye | TR | PTT (Turkey) | ptt.gov.tr |
| United Arab Emirates | AE | Emirates Post | emiratespost.ae |
| United States of America | US | United States Postal Service | usps.com |
| Venezuela | VE | Instituto Postal Telegráfico de Venezuela (IPOSTEL) | https://www.ipostel.gob.ve/ |
