Williamnagar is Taluka (Tehsil) in East Garo Hills district of Meghalaya state. Williamnagar has 8 areas (postal offices). Williamnagar has a Sub Office and the PIN Code of Williamnagar is 794111.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 794111 | Balkinigiri PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Rombagiri PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Rongrengiri PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Rongsakgiri PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Sakhadongiri PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Samanda PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Songsak PIN Code | East Garo Hills | Williamnagar | Branch Office |
| 794111 | Williamnagar PIN Code | East Garo Hills | Williamnagar | Sub Office |