ZIP Code 17703
17703 is one of Pennsylvania's ZIP codes, delivering to addresses in Williamsport, Lycoming County.
- City
- Williamsport
- County
- Lycoming County
- State
- Pennsylvania
- Prefix
- 177xx
Where this code sits
17703 is part of the 177xx range, the group of codes handled by one mail processing centre. Williamsport is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Williamsport page.
Williamsport Pennsylvania ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 17703 delivers to without sharing its boundary.
ZIP codes nearest 17703
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 17701 | 0.0 mi | Williamsport, PA |
| ZIP code 17702 | 4.3 mi | Williamsport, PA |
| ZIP code 17754 | 5.4 mi | Montoursville, PA |
| ZIP code 17728 | 6.2 mi | Cogan Station, PA |
| ZIP code 17705 | 6.4 mi | Williamsport, PA |
| ZIP code 17752 | 7.5 mi | Montgomery, PA |
| ZIP code 17744 | 7.9 mi | Linden, PA |
| ZIP code 17810 | 8.1 mi | Allenwood, PA |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 17703. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.