ZIP Code 97638

97638 is one of Oregon's ZIP codes, delivering to addresses in Silver Lake, Lake County.

City: Silver Lake
County: Lake County
State: Oregon
Prefix: 976xx

Where this code sits

97638 is part of the 976xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Silver Lake.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 97638 delivers to without sharing its boundary.

ZIP codes nearest 97638

The ZIP codes whose reference points sit closest to 97638.
ZIP code	Distance	Delivers to
ZIP code 97735	15 mi	Fort Rock, OR
ZIP code 97640	17 mi	Summer Lake, OR
ZIP code 97641	19 mi	Christmas Valley, OR
ZIP code 97636	38 mi	Paisley, OR
ZIP code 97731	40 mi	Chemult, OR
ZIP code 97733	42 mi	Crescent, OR
ZIP code 97737	42 mi	Gilchrist, OR
ZIP code 97739	47 mi	La Pine, OR

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 97638, plotted from its record coordinates.

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

Scope ZIP code 97638. 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.