Marietta Ohio ZIP Codes

Marietta holds a single ZIP code.

Every ZIP code in Marietta

The complete list of Marietta, Ohio ZIP codes with the county each falls in.
ZIP code	County
45750	Washington 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Marietta codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Marietta. 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 Marietta ZIP code begins 457. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 52 ZIP codes, so Marietta accounts for 2% of it.

Every Ohio ZIP prefix and the region it covers →

Area codes covering Marietta

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 Marietta occupies.

Marietta Ohio area codes in full →

Where Marietta's ZIP codes sit

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

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

Cities near Marietta

The closest places to Marietta with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Lowell Ohio ZIP codes	8.0 mi	1 ZIP code
Lower Salem Ohio ZIP codes	10 mi	1 ZIP code
Belpre Ohio ZIP codes	13 mi	1 ZIP code
Beverly Ohio ZIP codes	13 mi	1 ZIP code
Macksburg Ohio ZIP codes	14 mi	1 ZIP code
Dexter City Ohio ZIP codes	16 mi	1 ZIP code
Stockport Ohio ZIP codes	21 mi	1 ZIP code
Stafford Ohio ZIP codes	22 mi	1 ZIP code

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