There are 11 post offices under PIN code 505331.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Chittapur B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 2 | Dharmarajpalli B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 3 | Mallapur B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 4 | Mogalpet B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 5 | Muthyampet S.O | Sub Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 6 | Ragavpet B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 7 | Ratnapur B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 8 | Sataram B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 9 | Siripuram B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 10 | Vempalli Venkatraopet B.O | Branch Office | Delivery | Mallapur | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 11 | Vempet B.O | Branch Office | Delivery | Metpalli | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |