Quang Tri, Nov. 7 -- QR codes are becoming digital addresses for residents in rural areas of the central province of Quang Tri, helping delivery workers locate homes, rice traders find collection points and emergency services reach patients. The initiative is also laying the groundwork for forming digital communities at the grassroots level.

QR codes in everyday life

In Hai Hoa hamlet, narrow alleys and intersecting roads often make giving directions difficult. Since April 2025, QR codes have been installed at 16 alleys in the former Hung Nhon village, now part of Hai Hoa hamlet, allowing residents to share their home locations via mobile phones.

Nguyen Nhu Khoa, who initiated the model, said residents could send their QR codes to visi...