Rateypani BO is the primary post office registered under PIN code 737128 in South District, Sikkim. This code sits within the Eastern Postal Region, with 10 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Rateypani BO | BO | Branch Post Office |
| Sadam BO | BO | Branch Post Office |
| Melli Bazar SO | SO | Sub Post Office |
| Manpur BO | BO | Branch Post Office |
| Sumbuk BO | BO | Branch Post Office |
| Lungchuk BO | BO | Branch Post Office |
| Melli Dara BO | BO | Branch Post Office |
| Payiong BO | BO | Branch Post Office |
| Kerabari BO | BO | Branch Post Office |
| Turuk BO | BO | Branch Post Office |
