Postcode 42-300
Location: Silesia → Bielsko Biaa → Bielsko Biaa
2 location(s) using this postal code in Poland
Counties with postcode 42-300
About Postcode 42-300
This postal code is assigned to Bielsko Biaa Gmina County Bielsko Biaa, Silesia, Poland. This location-level postal code helps ensure accurate mail delivery and location identification.
Postal Code Format
Poland uses numeric postal codes with 5 digits (example: 00-001). In our directory, these codes are organized from voivodeships down to gminas.
- 42 — Voivodeship (Silesia)
- -3 — County (Bielsko Biaa)
- 00 — Gmina (Bielsko Biaa)
How to Use This Postcode 42-300
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Address format example:
Recipient Name
House #, Street Name
Bielsko Biaa
Bielsko Biaa, Silesia
42-300
Poland
Domestic Mail
Include this postcode on all letters and packages sent within Poland.
International Mail
For international deliveries, include "Poland" on the last address line after the postcode.
Frequently Asked Questions
What area does this postcode cover?
This postcode covers Silesia → Bielsko Biaa → Bielsko Biaa in Poland.
Is this a valid List Post Code?
Yes. 42-300 is an active postcode for Silesia → Bielsko Biaa → Bielsko Biaa in Poland. It follows the 5-character format used in this country.
How do I find the postal code for a specific address?
Search by voivodeship, county, and gmina to find the correct postcode in Poland. Search Postcodes
Found incorrect info for 42-300?
Useful Resources
Developer API
Get this data via API
Free JSON for postcode 42-300.
https://api.listpostcode.com/v1/countries/PL/postcodes/42-300curl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/PL/postcodes/42-300"Requests need a free API key.