The US Post Office in Castro Valley, CA serves as a key hub for postal services in the area. Visitors can access a range of tools and resources to manage their mail and shipping needs efficiently. From tracking packages to purchasing stamps, the facility offers essential services to individuals and businesses alike.
Customers can take advantage of services such as holding mail, changing addresses, and renting PO boxes. The post office also provides information on shipping options, postal rates, and international mailing services. Whether sending a letter locally or shipping a package internationally, the US Post Office is equipped to assist with various mailing requirements.
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