Settlements connect municipalities with localities in Bulgaria. This level improves postal code lookup accuracy for shipping, address validation, and local delivery planning.
Select an area to explore postal codes.
Developer API
Free JSON for Устрем / Ustrem.
Requests need a free API key.
https://api.listpostcode.com/v1/countries/BG/resolve?path=/khaskovo/topolovgrad/ustremcurl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/BG/resolve?path=/khaskovo/topolovgrad/ustrem"Settlements connect municipalities with localities in Bulgaria. This level improves postal code lookup accuracy for shipping, address validation, and local delivery planning.
Select an area to explore postal codes.
Developer API
Free JSON for Устрем / Ustrem.
Requests need a free API key.
https://api.listpostcode.com/v1/countries/BG/resolve?path=/khaskovo/topolovgrad/ustremcurl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/BG/resolve?path=/khaskovo/topolovgrad/ustrem"