KOILSA SO is the primary post office registered under PIN code 276142 in Azamgarh, Uttar Pradesh. This code sits within the Northern Postal Region, with 14 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| KOILSA SO | SO | Sub Post Office |
| Amari BO | BO | Branch Post Office |
| Kothwa Jalal Pur BO | BO | Branch Post Office |
| Keshav Pur BO | BO | Branch Post Office |
| Kakarahi BO | BO | Branch Post Office |
| Mangit Pur BO | BO | Branch Post Office |
| Ataraith BO | BO | Branch Post Office |
| Ban Kat Jagdeesh BO | BO | Branch Post Office |
| Bharauli BO | BO | Branch Post Office |
| Bhilampur Chhapra BO | BO | Branch Post Office |
| Gaura BO | BO | Branch Post Office |
| Kabiruddin Pur BO | BO | Branch Post Office |
| Pipari BO | BO | Branch Post Office |
| Rithia BO | BO | Branch Post Office |
