21 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 16901 | Wellsboro | 10,242 |
| 16933 | Mansfield | 6,610 |
| 16950 | Westfield | 3,327 |
| 16929 | Lawrenceville | 2,666 |
| 16912 | Blossburg | 2,507 |
| 16946 | Tioga | 2,455 |
| 16936 | Millerton | 1,940 |
| 16920 | Elkland | 1,760 |
| 16928 | Knoxville | 1,476 |
| 16917 | Covington | 1,293 |
| 17765 | Roaring Branch | 1,279 |
| 16935 | Middlebury Center | 1,181 |
| 16930 | Liberty | 1,119 |
| 16942 | Osceola | 892 |
| 16938 | Morris | 837 |
| 16921 | Gaines | 622 |
| 16932 | Mainesburg | 546 |
| 16911 | Arnot | 259 |
| 16939 | Morris Run | 172 |
| 17727 | Cedar Run | 41 |
| 16940 | Nelson | 19 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 21 ZCTAs in Tioga County, Pennsylvania (US Census).