Netherlands: Postcode 1234 AB, House Number & Addition
PostNL uses recipient, street plus house number and suffix, then postcode and town. The format 1234 AB illustrates syntax only; it is not a verified code for your street. Put two spaces between the postcode and capitalized locality in a printed postal block.
PostNL uses recipient, street plus house number and suffix, then postcode and town. The format 1234 AB illustrates syntax only; it is not a verified code for your street. Put two spaces between the postcode and capitalized locality in a printed postal block.
✓ Key rules
- A postcode has four digits and two uppercase letters.
- Write a space between digits and letters: 1234 AB shows the pattern.
- Keep the house number and official addition with the street.
- Copy huisnummertoevoeging exactly as registered.
Illustrative fields — replace with your recipient’s documented details
Destination Address
[Recipient]
[Street] [House number][Official addition]
[1234 AB postcode] [TOWN]
NETHERLANDS
Address fields and postal order
PostNL uses recipient, street plus house number and suffix, then postcode and town. The format 1234 AB illustrates syntax only; it is not a verified code for your street. Put two spaces between the postcode and capitalized locality in a printed postal block.
- A postcode has four digits and two uppercase letters.
- Write a space between digits and letters: 1234 AB shows the pattern.
Form requirements and exceptions
If a form separates house number and addition, enter the base number and the exact official suffix in their own fields. PostNL warns against rewriting a registered addition such as app26 into different wording. Unofficial department details belong on a separate attention line; do not make up a suffix to satisfy validation.
- Keep the house number and official addition with the street.
- Copy huisnummertoevoeging exactly as registered.
Sources and official instructions
❓ Frequently Asked Questions
Which address and postal-code rules apply?
A postcode has four digits and two uppercase letters. Write a space between digits and letters: 1234 AB shows the pattern. Keep the house number and official addition with the street. Copy huisnummertoevoeging exactly as registered.
What if the checkout rejects my address?
Select the correct destination first. Follow the merchant’s documented field requirements and contact support rather than inventing address components.
Check Country-Specific Address Rules
Select a country to view official postal line layouts, required fields, and postcode formats:
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