| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 13045 | Cortland | Cortland County | Standard |
| 13053 | Dryden | Tompkins County | Standard |
| 13062 | Etna | Tompkins County | PO Box |
| 13068 | Freeville | Tompkins County | Standard |
| 13073 | Groton | Tompkins County | Standard |
| 13092 | Locke | Cayuga County | Standard |
| 13102 | McLean | Tompkins County | PO Box |
| 13736 | Berkshire | Tioga County | Standard |
| 13835 | Richford | Tioga County | Standard |
| 13864 | Willseyville | Tioga County | Standard |
| 14817 | Brooktondale | Tompkins County | Standard |
| 14850 | Ithaca | Tompkins County | Standard |
| 14851 | Ithaca | Tompkins County | PO Box |
| 14852 | Ithaca | Tompkins County | PO Box |
| 14853 | Ithaca | Tompkins County | Standard |
| 14854 | Jacksonville | Tompkins County | PO Box |
| 14867 | Newfield | Tompkins County | Standard |
| 14881 | Slaterville Springs | Tompkins County | Standard |
| 14882 | Lansing | Tompkins County | Standard |
| 14883 | Spencer | Tioga County | Standard |
| 14886 | Trumansburg | Tompkins County | Standard |