Hartline ZIP code, Washington
The ZIP code for Hartline, WA is 99135, and its area code is 509.
- USPS city name
- 1 ZIP code
- Population
- 182
- Area code
- 509
- County
- Grant County
- State
- Washington
NANPA lists no telephone rate centre for Hartline itself, so these are the area codes of the nearest one, Almira (9.3 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Hartline
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
99135 | Hartline , WA | Standard | 395 | $80,469 | — |
Map of Hartline ZIP codes
The ZIP codes of Hartline, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Hartline
The nearest larger towns are Almira (360 people, 8.1 mi), Banks Lake South (348 people, 8.8 mi) and Coulee City (439 people, 10 mi).
More nearby: every ZIP code in Grant County · Washington ZIP codes
Cite this page
zipcodes.pro. “Hartline, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/hartline
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