There are 9 post offices under PIN code 505404.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Bandankal B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 2 | Chekode B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 3 | Gudem B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 4 | Maddikunta B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 5 | Mustabad S.O (Karim Nagar) | Sub Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 6 | Namapur B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 7 | Ounur B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 8 | Pothgal B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |
| 9 | Terlamaddi B.O | Branch Office | Delivery | Mustabad | Karim Nagar | Karimnagar | Hyderabad | Telangana | Andhra Pradesh |