Sikarahana is Taluka (Tehsil) in East Champaran district of Bihar state. Sikarahana has 8 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 845415 | Baidhnathpur PIN Code | East Champaran | Sikarahana | Branch Office |
| 845415 | Khartari PIN Code | East Champaran | Sikarahana | Branch Office |
| 845415 | Madhopur PIN Code | East Champaran | Sikarahana | Branch Office |
| 845415 | Mahuawa PIN Code | East Champaran | Sikarahana | Branch Office |
| 845304 | Nirpur PIN Code | East Champaran | Sikarahana | Branch Office |
| 845415 | P Atjilawa PIN Code | East Champaran | Sikarahana | Branch Office |
| 845415 | Rampur PIN Code | East Champaran | Sikarahana | Branch Office |
| 845415 | Semra PIN Code | East Champaran | Sikarahana | Branch Office |