ZIP Code 45770

45770 is one of Ohio's ZIP codes, delivering to addresses in Portland, Meigs County.

City: Portland
County: Meigs County
State: Ohio
Prefix: 457xx

Where this code sits

45770 is part of the 457xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Portland.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 45770 delivers to without sharing its boundary.

ZIP codes nearest 45770

The ZIP codes whose reference points sit closest to 45770.
ZIP code	Distance	Delivers to
ZIP code 26164	4.9 mi	Ravenswood, WV
ZIP code 45771	6.2 mi	Racine, OH
ZIP code 45743	6.9 mi	Long Bottom, OH
ZIP code 25262	7.2 mi	Millwood, WV
ZIP code 25265	8.2 mi	New Haven, WV
ZIP code 45720	8.3 mi	Chester, OH
ZIP code 45779	8.6 mi	Syracuse, OH
ZIP code 25247	9.4 mi	Hartford, WV

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 45770, plotted from its record coordinates.

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

Scope ZIP code 45770. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.