ZIP Code 74528

74528 is one of Oklahoma's ZIP codes, delivering to addresses in Blanco, Pittsburg County.

City: Blanco
County: Pittsburg County
State: Oklahoma
Prefix: 745xx

Where this code sits

74528 is part of the 745xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Blanco.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 74528 delivers to without sharing its boundary.

ZIP codes nearest 74528

The ZIP codes whose reference points sit closest to 74528.
ZIP code	Distance	Delivers to
ZIP code 74560	6.9 mi	Pittsburg, OK
ZIP code 74565	9.7 mi	Savanna, OK
ZIP code 74553	12 mi	Kiowa, OK
ZIP code 74547	12 mi	Hartshorne, OK
ZIP code 74546	12 mi	Haileyville, OK
ZIP code 74522	12 mi	Alderson, OK
ZIP code 74540	13 mi	Daisy, OK
ZIP code 74554	14 mi	Krebs, OK

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 74528, plotted from its record coordinates.

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

Scope ZIP code 74528. 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.