ZIP Codes — Plymouth, Washington
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1Washington
2Benton
3Plymouth
4ZIP Code

Plymouth ZIP Code

The city of Plymouth is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Plymouth helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Plymouth ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.


Plymouth

99346
Post OfficePlymouth
CountyBenton
StateWashington
ZIP Code99346
View ZIP Details
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