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Seneca Post Office Hours

Retail Hours

Monday-Friday 9:00am - 1:00pm
Saturday-Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 8:00am - 12:00pm, 12:30pm - 4:30pm
Saturday-Sunday Closed

Monday-Friday 9:00am - 1:00pm
Saturday 8:45am - 10:45am
Sunday Closed

Lobby Hours

Monday-Sunday 12:01am - 11:59pm

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112 Barnes Ave
Seneca, OR 97873

The Seneca Post Office is located in the state of Oregon within Grant County. This location serves 228 Seneca residents with a median income of $28,500. It's estimated that approximately 364 packages pass through this post office each year.

Seneca Post Office Location 97873

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