Pincode 174321 is a 6-digit postal code serving 8 post offices in Una district, Himachal Pradesh. Thanakalan SO is the Post Office for this area, located at 31.5827°N, 76.3338°E. The first digit ‘1’ identifies the Himachal Pradesh postal region; the full code pinpoints the Una delivery zone.
| Post Office | Type |
|---|---|
| Thanakalan SO | Post Office |
| Balh BO | Branch Post Office |
| Bhadwar BO | Branch Post Office |
| Chhaproh BO | Branch Post Office |
| Khurwain BO | Branch Post Office |
| Makrer BO | Branch Post Office |
| Mandli BO | Branch Post Office |
| Paroian BO | Branch Post Office |
Data sourced from India Post, Department of Posts, Government of India. Data last verified: May 2026.
Una, Himachal Pradesh. Map data: OpenStreetMap, CARTO.