Harpster Ohio ZIP Codes

Harpster holds a single ZIP code.

Every ZIP code in Harpster

The complete list of Harpster, Ohio ZIP codes with the county each falls in.
ZIP code	County
43323	Wyandot 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Harpster codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Harpster. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Harpster ZIP code begins 433. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 43 ZIP codes, so Harpster accounts for 2% of it.

Every Ohio ZIP prefix and the region it covers →

Area codes covering Harpster

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 Harpster occupies.

Harpster Ohio area codes in full →

Where Harpster's ZIP codes sit

Each point is one Harpster ZIP code, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Cities near Harpster

The closest places to Harpster with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Morral Ohio ZIP codes	3.9 mi	1 ZIP code
Upper Sandusky Ohio ZIP codes	6.5 mi	1 ZIP code
Nevada Ohio ZIP codes	8.3 mi	1 ZIP code
Kirby Ohio ZIP codes	10 mi	1 ZIP code
New Bloomington Ohio ZIP codes	11 mi	1 ZIP code
Marion Ohio ZIP codes	12 mi	2 ZIP codes
La Rue Ohio ZIP codes	13 mi	1 ZIP code
Wharton Ohio ZIP codes	14 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.