Plymouth, WA ZIP Codes, Coordinates & Counties
Plymouth, Washington has 1 ZIP code in Benton county. The approximate center of Plymouth is 45.998, -119.305. Plymouth has about 7,500 known street addresses.
ZIP codes in Plymouth, WA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 99346 | Benton | 45.998 | -119.305 |
Counties Plymouth spans
Benton
Most common streets in Plymouth
3rd, Plymouth, Olive, Mitchell, Mason, 1st, Truman, 2nd
Frequently asked questions
What ZIP codes are in Plymouth, WA?
Plymouth, Washington has 1 ZIP code, ranging from 99346 to 99346. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Plymouth, WA in?
Plymouth is in Benton county.
What are the latitude and longitude of Plymouth, WA?
The approximate center of Plymouth, Washington is latitude 45.998, longitude -119.305. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Plymouth, WA have?
Plymouth has 1 ZIP code.
How many addresses are in Plymouth, WA?
Plymouth, Washington has about 7,500 known street addresses in the sthan.io US address database.
What are the most common streets in Plymouth, WA?
Some of the most common street names in Plymouth are 3rd, Plymouth, Olive, Mitchell, Mason, 1st.
What cities are near Plymouth, WA?
Cities near Plymouth include Umatilla (7 mi), Hermiston (10 mi), Kennewick (12 mi), Irrigon (15 mi), Stanfield (15 mi).
Cities near Plymouth
Umatilla, OR (7 mi) Hermiston, OR (10 mi) Kennewick, WA (12 mi) Irrigon, OR (15 mi) Stanfield, OR (15 mi) Paterson, WA (19 mi) Benton City, WA (20 mi) Richland, WA (20 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database