About
Northwest Post Officein Maricopa County, AZ 85017. USPS Post office locations hours and phone numbers.
The Northwest Post Office is located in the state of Arizona within Maricopa County. This location serves 38,872 Phoenix residents with a median income of $29,458. It's estimated that approximately 62,044 packages pass through this post office each year.
Frequently Asked Questions
Which days is Northwest Post Office open?
Open on Monday, Tuesday, Wednesday, Thursday, Friday.
What are Northwest Post Office main products?
Northwest Post Office.
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