ZIP Code 74021

74021 is one of Oklahoma's ZIP codes, delivering to addresses in Collinsville, Tulsa County.

City: Collinsville
County: Tulsa County
State: Oklahoma
Prefix: 740xx

Where this code sits

74021 is part of the 740xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Collinsville.

Collinsville Oklahoma ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 74021 delivers to without sharing its boundary.

ZIP codes nearest 74021

The ZIP codes whose reference points sit closest to 74021.
ZIP code	Distance	Delivers to
ZIP code 74082	5.9 mi	Vera, OK
ZIP code 74055	6.0 mi	Owasso, OK
ZIP code 74156	7.9 mi	Tulsa, OK
ZIP code 74073	9.0 mi	Sperry, OK
ZIP code 74070	9.2 mi	Skiatook, OK
ZIP code 74117	9.5 mi	Tulsa, OK
ZIP code 74053	9.6 mi	Oologah, OK
ZIP code 74130	11 mi	Tulsa, 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 74021, plotted from its record coordinates.

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

Scope ZIP code 74021. 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.