Postal code formats by country
Use this to validate form fields or spot an odd address. Formats can have exceptions; always prefer official postal sources for delivery.
| Country / region | Format | Example |
|---|---|---|
| United States | NNNNN or NNNNN-NNNN | 94107 / 10001-0001 |
| Canada | A0A 0A0 | K1A 0B1 |
| United Kingdom | A9 9AA / A99 9AA / AA9 9AA … | SW1A 1AA |
| Ireland | A65 F4E2 (Eircode) | D02 AF30 |
| Germany | NNNNN | 10115 |
| France | NNNNN | 75001 |
| Spain | NNNNN | 28013 |
| Italy | NNNNN | 00118 |
| Netherlands | NNNN AA | 1012 AB |
| Belgium | NNNN | 1000 |
| Switzerland | NNNN | 8001 |
| Sweden | NNN NN | 111 22 |
| Norway | NNNN | 0150 |
| Denmark | NNNN | 1050 |
| Poland | NN-NNN | 00-001 |
| Portugal | NNNN-NNN | 1000-001 |
| Brazil | NNNNN-NNN | 01310-100 |
| Mexico | NNNNN | 06600 |
| Argentina | A9999AAA / NNNN | C1000WAM |
| Japan | NNN-NNNN | 100-0001 |
| South Korea | NNNNN | 04524 |
| China (mainland) | NNNNNN | 100000 |
| Hong Kong | None (district addressing) | — |
| Taiwan | NNN / NNNNNN | 100 / 100233 |
| Singapore | NNNNNN | 018956 |
| India | NNNNNN (PIN) | 110001 |
| Australia | NNNN | 2000 |
| New Zealand | NNNN | 6011 |
| UAE | Often none / PO Box | — |
| Saudi Arabia | NNNNN | 11564 |
| Turkey | NNNNN | 34110 |
| Russia | NNNNNN | 101000 |
| South Africa | NNNN | 8001 |
Opmerkingen
- This lists common patterns only — not every valid code.
- Some places (Hong Kong, many UAE addresses) rely more on district / PO Box than a national ZIP.