ARNOLD POST OFFICE 21012

Arnold Post Office Hours


Retail Hours

Contact Numbers:

Phone: 410-757-8802
Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 12:30pm
Sunday Closed

Pickup Services Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 12:30pm
Sunday Closed

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

PO Box Access Hours

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

Monday-Friday 5:00pm
Saturday 3:00pm
Sunday Closed

Self-Service Kiosk Availability

USPS Shipping Rate Calculator

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Mary Kearney (Postmaster) mary.e.kearney@usps.gov
1521 Ritchie Hwy Ste 100
Arnold, MD 21012

The Arnold Post Office is located in the state of Maryland within Anne Arundel County. This location serves 21,317 Arnold residents with a median income of $102,215. It's estimated that approximately 34,024 packages pass through this post office each year.

Arnold Post Office Location


Arnold Maryland Local Links