Signal Hill is a city (2.2 mi², 5.7 km²) in California located in the Greater Los Angeles area. Signal Hill, completely surrounded by the city of Long Beach, was incorporated on April 22, 1924, roughly three years after oil was discovered there. As of the 2010 census, the city population was 11,465.

Signal Hill lies in the 562 area code. The city once shared three different postal ZIP codes with the city of Long Beach but in July 2002, the city of Signal Hill received its own ZIP code, 90755.

Based on information from California Regional Multiple Listing Service, Inc. as of 11/20/2018 11:25 AM PST. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.