There are 2 Post Offices in Upper Lake, California, serving a population of 964 people in an area of 2 square miles. There is 1 Post Office per 482 people, and 1 Post Office per square mile.
In California, Upper Lake is ranked 371st of 1798 cities in Post Offices per capita, and 287th of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Upper Lake Post Offices.
US Post Office 9435 Main Street Upper Lake, CA
United States Postal Service 9435 Main Street Upper Lake, CA Mailbox Rental, Mailing Service, Postal Services