There are 2 Post Offices in Signal Hill, California, serving a population of 11,508 people in an area of 3 square miles. There is 1 Post Office per 5,754 people, and 1 Post Office per 1 square miles.
In California, Signal Hill is ranked 661st of 1798 cities in Post Offices per capita, and 319th of 1798 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for Signal Hill Post Offices.
US Post Office 2301 East Willow Street Signal Hill, CA Mailing Service, Postal Services
US Post Office 2300 Redondo Avenue Signal Hill, CA