Province · North Korea
Browse all 21 districts in Hwanghae-namdo. Find postal codes and location information.
—
Postal prefix
21
Districts
Postal code format varies by country (often 4–6 digits; some use alphanumeric).
Select a district to explore postal codes.
Province · North Korea
Browse all 21 districts in Hwanghae-namdo. Find postal codes and location information.
—
Postal prefix
21
Districts
Postal code format varies by country (often 4–6 digits; some use alphanumeric).
Select a district to explore postal codes.