🇨🇠Switzerland · Kanton Basel-Stadt
Basel postal codes
Basel, Kanton Basel-Stadt, has 27 postal codes, from 4000 to 4091. Which one applies depends on the street address.
- Postal Codes
- 27
- Population
- 177,595
- Region
- Kanton Basel-Stadt
- Coordinates
- 47.5584, 7.5733
All Basel postal codes
400040014002400540094010401840194020403040314039404040414051405240534054405540564057405840594070407540894091
No code matches.
Data: GeoNames (CC BY 4.0) and zipcodestack.
Nearby cities
Find every code around Basel with the radius search.
Frequently asked questions
What is the postal code of Basel?
Basel has 27 postal codes in Kanton Basel-Stadt. The right code depends on the street address; the list on this page shows all of them, starting with 4000.
How many postal codes does Basel have?
Our data lists 27 postal codes for Basel, Switzerland.
How do I find the exact postal code for an address in Basel?
Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any postal code and can search codes by city or by radius.
Postal code API
Basel postal codes in your app
zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.
/v1/code/city documentation ZIP code API All documentation
300 free requests every month. No credit card required.
GET https://api.zipcodestack.com/v1/code/city?city=Basel&country=ch
{
"query": { "city": "Basel", "country": "ch" },
"results": ["4000", "…"]
}Free postal code tools
Bulk ZIP code lookup
City and coordinates for a list.
Distance between ZIP codes
Miles or km between ZIP codes.
ZIP codes in a drawn area
Draw an area, get its codes.
What is my ZIP code?
Find the ZIP code where you are.
ZIP code radius search
All codes within X miles of a code.
Postal code validator
Is this postal code real?
Postal codes by countryFormats, regions and cities for 149 countries.