View contact information and hours for the Humboldt Post Office.
Do you have a problem receiving UPS or FedEx deliveries?
The USPS has an Address Management Systems (AMS) department whose primary purpose is to maintain correct addresses throughout the US. If you have an address problem, contact AMS by phone or mail using the following:
ADDRESS MANAGEMENT SYSTEMS UNITED STATES POSTAL SERVICE 4949 E VAN BUREN ST RM 62 PHOENIX AZ 85026-9321 Phone: 602-225-3929
District offices are responsible for large swaths of the country, so be aware that the resolution may take some time.