Netherlands postal codes starting with 23
38 postal codes in Netherlands start with 23. The international calling code for Netherlands is +31.
Postal codes
Showing 38 of 38
| Postal code | Place | Region |
|---|---|---|
| 2311 | Leiden | South Holland |
| 2312 | Leiden | South Holland |
| 2313 | Leiden | South Holland |
| 2314 | Leiden | South Holland |
| 2315 | Leiden | South Holland |
| 2316 | Leiden | South Holland |
| 2317 | Leiden | South Holland |
| 2318 | Leiden | South Holland |
| 2321 | Leiden | South Holland |
| 2322 | Leiden | South Holland |
| 2323 | Leiden | South Holland |
| 2324 | Amersfoort | Utrecht |
| 2324 | Leiden | South Holland |
| 2331 | Leiden | South Holland |
| 2332 | Leiden | South Holland |
| 2333 | Leiden | South Holland |
| 2334 | Leiden | South Holland |
| 2341 | Oegstgeest | South Holland |
| 2342 | Oegstgeest | South Holland |
| 2343 | Oegstgeest | South Holland |
| 2351 | Leiderdorp | South Holland |
| 2352 | Leiderdorp | South Holland |
| 2353 | Leiderdorp | South Holland |
| 2355 | Hoogmade | South Holland |
| 2361 | Sassenheim | South Holland |
| 2361 | Warmond | South Holland |
| 2362 | Warmond | South Holland |
| 2371 | Roelofarendsveen | South Holland |
| 2374 | Oud Ade | South Holland |
| 2375 | Rijpwetering | South Holland |
| 2376 | Nieuwe Wetering | South Holland |
| 2377 | Oude Wetering | South Holland |
| 2381 | Zoeterwoude | South Holland |
| 2382 | Zoeterwoude | South Holland |
| 2391 | Hazerswoude-Dorp | South Holland |
| 2391 | Hazerswoude-Rijndijk | South Holland |
| 2394 | Hazerswoude-Rijndijk | South Holland |
| 2396 | Koudekerk aan den Rijn | South Holland |
Source: GeoNames postal code data (CC BY). See data sources.
Frequently asked questions
How many postal codes does Netherlands have?
Our list has 4,321 postal codes for Netherlands. The official number can differ because postal services update their codes over time.
How do I find a postal code by place name?
Type the place name in the search box above the table, or use the letter buttons to jump to the first letter.