6421 Postcode
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English Nederlands
4-digit postcode 6421 covers Heerlen, Limburg. Dutch postcodes are four digits and two letters. The four digits identify a delivery area, and it is the level Statistics Netherlands publishes against, so the figures below describe this postcode itself rather than the town around it.
- Residents
- 10
- Households
- 5
- Average property value
- €213,000
- Average household size
- 1.3
- Urbanity
- Strongly urban
Where 6421 is
Heerlen, Limburg — the point recorded for this postal code. It marks the centre of the code, not its boundary.
People
| Residents | 10 |
|---|---|
| 45 to 65 | 5 |
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Households
| Households | 5 |
|---|---|
| Average size | 1.3 |
Housing
| Homes | 5 |
|---|---|
| Average property value (WOZ) | €213,000 |
| Flats and shared buildings | 100%5 |
| Built before 1945 | 100%5 |
Area
| Addresses per square kilometre | 1,525 |
|---|---|
| Urbanity | Strongly urban |
The tick is the national median.
| Flats and shared buildings | |
|---|---|
| Built before 1945 |
Figures from Statistics Netherlands (CBS), key figures per postcode, 1 January 2025. CBS withholds figures for areas with too few residents to publish safely, so a missing value here means withheld, not zero.
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