Province · China
Browse all 13 adm2s in Hēilóngjiāng. Find postal codes and location information.
Urban and rural routes across China depend on six-digit postcodes—100000 illustrates format—so CN carriers can group stops without manual lookups.
Select a adm2 to explore postal codes.
Province · China
Browse all 13 adm2s in Hēilóngjiāng. Find postal codes and location information.
Urban and rural routes across China depend on six-digit postcodes—100000 illustrates format—so CN carriers can group stops without manual lookups.
Select a adm2 to explore postal codes.