United States Postal Service (USPS)
Shipping and Mailing in Castro Valley, CA
Mailing letters, Priority Mail®, Priority Mail Express®, International Mail, postage stamps; you name it, we provide it at Mailboxes 580
Avoid the long lines — avoid the Post Office and come to Mailboxes 580 where we guarantee fast, efficient service with a smile—all for the right price.
Mail carriers for the United States Post Office go by or deliver to every address in the United States every day, Monday through Saturday (and sometimes on Sunday). This fact makes USPS different from all other carriers and is one of the reasons Mailboxes 580 provides easy and convenient access to all-things postal.
Whether you need a single stamp, or want to get a care package to your sister in the Marine Corps, we’re here to help.
Mailboxes 580 is an official USPS Approved Shipper which qualifies us to provide several convenient postal products and services.
Do you need your delicate, valuable, time-sensitive and sentimental items packed with TLC? That’s what we do. We have shipping boxes for virtually anything, and our staff are trained as professional packers, so we’ll make sure your stuff arrives in perfect condition.