Lock Haven Pennsylvania ZIP Codes
Lock Haven holds a single ZIP code.
Every ZIP code in Lock Haven
| ZIP code | County |
|---|---|
| 17745 | Clinton County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Lock Haven codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Lock Haven. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Lock Haven ZIP code begins 177. Those first three digits identify the sectional center facility that processes mail for this part of Pennsylvania. Statewide that range covers 44 ZIP codes, so Lock Haven accounts for 2% of it.
Every Pennsylvania ZIP prefix and the region it covers →
Area codes covering Lock Haven
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Lock Haven occupies.
Lock Haven Pennsylvania area codes in full →
Where Lock Haven's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Lock Haven
| City | Distance | ZIP codes |
|---|---|---|
| Mill Hall Pennsylvania ZIP codes | 2.9 mi | 1 ZIP code |
| Avis Pennsylvania ZIP codes | 7.9 mi | 1 ZIP code |
| Beech Creek Pennsylvania ZIP codes | 8.0 mi | 1 ZIP code |
| Loganton Pennsylvania ZIP codes | 11 mi | 1 ZIP code |
| Jersey Shore Pennsylvania ZIP codes | 11 mi | 2 ZIP codes |
| Howard Pennsylvania ZIP codes | 14 mi | 1 ZIP code |
| Millheim Pennsylvania ZIP codes | 17 mi | 1 ZIP code |
| Renovo Pennsylvania ZIP codes | 21 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.