28 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 14895 | Wellsville | 9,061 |
| 14727 | Cuba | 4,925 |
| 14802 | Alfred | 4,814 |
| 14739 | Friendship | 2,731 |
| 14770 | Portville | 2,621 |
| 14735 | Fillmore | 2,575 |
| 14715 | Bolivar | 2,484 |
| 14813 | Belmont | 2,480 |
| 14744 | Houghton | 2,188 |
| 14711 | Belfast | 2,063 |
| 14806 | Andover | 1,912 |
| 14880 | Scio | 1,548 |
| 14803 | Alfred Station | 1,514 |
| 14804 | Almond | 1,362 |
| 14709 | Angelica | 1,201 |
| 14822 | Canaseraga | 851 |
| 14897 | Whitesville | 671 |
| 14754 | Little Genesee | 586 |
| 14717 | Caneadea | 586 |
| 14714 | Black Creek | 555 |
| 14777 | Rushford | 454 |
| 14884 | Swain | 362 |
| 14060 | Farmersville Station | 362 |
| 14774 | Richburg | 324 |
| 14721 | Ceres | 227 |
| 14708 | Alma | 148 |
| 14707 | Allentown | 129 |
| 14029 | Centerville | 20 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 28 ZCTAs in Allegany County, New York (US Census).