ZIP Code 95640

95640 is one of California's ZIP codes, delivering to addresses in Ione, Amador County.

City: Ione
County: Amador County
State: California
Prefix: 956xx

Where this code sits

95640 is part of the 956xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ione.

Ione California ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 95640 delivers to without sharing its boundary.

ZIP codes nearest 95640

The ZIP codes whose reference points sit closest to 95640.
ZIP code	Distance	Delivers to
ZIP code 95226	8.7 mi	Campo Seco, CA
ZIP code 95601	8.8 mi	Amador City, CA
ZIP code 95699	8.9 mi	Drytown, CA
ZIP code 95654	9.1 mi	Martell, CA
ZIP code 95254	9.5 mi	Wallace, CA
ZIP code 95685	9.9 mi	Sutter Creek, CA
ZIP code 95642	10 mi	Jackson, CA
ZIP code 95225	11 mi	Burson, CA

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 95640, plotted from its record coordinates.

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

Scope ZIP code 95640. 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.