Katoria is Taluka (Tehsil) in Banka district of Bihar state. Katoria has 15 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 813106 | Bairoganj PIN Code | Banka | Katoria | Branch Office |
| 813106 | Barbasaui PIN Code | Banka | Katoria | Branch Office |
| 813106 | Bauiakura PIN Code | Banka | Katoria | Branch Office |
| 813221 | Bhelwa PIN Code | Banka | Katoria | Branch Office |
| 814131 | Bhorsar PIN Code | Banka | Katoria | Branch Office |
| 813106 | Charkapathar PIN Code | Banka | Katoria | Branch Office |
| 813106 | Jaipur PIN Code | Banka | Katoria | Branch Office |
| 813102 | Jamdaha PIN Code | Banka | Katoria | B.O directly a/w Head Office |
| 813106 | Kandhar PIN Code | Banka | Katoria | Branch Office |
| 813106 | Katsakrh PIN Code | Banka | Katoria | Branch Office |
| 813106 | Papraiba PIN Code | Banka | Katoria | Branch Office |
| 813106 | Supha PIN Code | Banka | Katoria | Branch Office |
| 813106 | Tetaria PIN Code | Banka | Katoria | Branch Office |
| 813106 | Tonapathar PIN Code | Banka | Katoria | Branch Office |
| 813106 | Uparchakmarhia PIN Code | Banka | Katoria | Branch Office |