Seneca, OR ZIP Codes, Coordinates & Counties
Seneca, Oregon has 1 ZIP code in Grant county. The approximate center of Seneca is 44.132, -119.003. Seneca has about 7,036 known street addresses.
ZIP codes in Seneca, OR
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 97873 | Grant | 44.132 | -119.003 |
Counties Seneca spans
Grant
Most common streets in Seneca
Meadow, 3rd, 1st, E, D, C, A, Barnes, 4th, 2nd
Frequently asked questions
What ZIP codes are in Seneca, OR?
Seneca, Oregon has 1 ZIP code, ranging from 97873 to 97873. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Seneca, OR in?
Seneca is in Grant county.
What are the latitude and longitude of Seneca, OR?
The approximate center of Seneca, Oregon is latitude 44.132, longitude -119.003. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Seneca, OR have?
Seneca has 1 ZIP code.
How many addresses are in Seneca, OR?
Seneca, Oregon has about 7,036 known street addresses in the sthan.io US address database.
What are the most common streets in Seneca, OR?
Some of the most common street names in Seneca are Meadow, 3rd, 1st, E, D, C.
What cities are near Seneca, OR?
Cities near Seneca include Canyon City (10 mi), John Day (19 mi), Mount Vernon (24 mi), Prairie City (27 mi), Drewsey (30 mi).
Cities near Seneca
Canyon City, OR (10 mi) John Day, OR (19 mi) Mount Vernon, OR (24 mi) Prairie City, OR (27 mi) Drewsey, OR (30 mi) Dayville, OR (31 mi) Burns, OR (40 mi) Hines, OR (43 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database