Portage Ohio ZIP Codes

Portage holds a single ZIP code.

Every ZIP code in Portage

The complete list of Portage, Ohio ZIP codes with the county each falls in.
ZIP code	County
43451	Wood 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Portage codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Portage. 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 Portage ZIP code begins 434. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 45 ZIP codes, so Portage accounts for 2% of it.

Every Ohio ZIP prefix and the region it covers →

Area codes covering Portage

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 Portage occupies.

Portage Ohio area codes in full →

Where Portage's ZIP codes sit

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

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

Cities near Portage

The closest places to Portage with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Bowling Green Ohio ZIP codes	3.8 mi	2 ZIP codes
Jerry City Ohio ZIP codes	5.3 mi	1 ZIP code
Cygnet Ohio ZIP codes	5.7 mi	1 ZIP code
Weston Ohio ZIP codes	7.8 mi	1 ZIP code
Tontogany Ohio ZIP codes	8.3 mi	1 ZIP code
Wayne Ohio ZIP codes	9.2 mi	1 ZIP code
Milton Center Ohio ZIP codes	9.6 mi	1 ZIP code
West Millgrove Ohio ZIP codes	9.8 mi	1 ZIP code

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