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909 Area Code Change Planning Information

Area Code Change Proposals

As required by the Federal Communications Commission, the CPUC is taking steps to adopt a plan for the possibility of an area code change in the 909 area. 

The telecommunications industry proposed two plans for a new area code in the 909 area.  One plan ("Alternative #7") would split the 909 area code roughly along the county boundary between San Bernardino and Riverside counties.  The northern portion, including the cities of Pomona, Diamond Bar, Claremont, Chino, Ontario, Fontana, Colton, San Bernardino, and Redlands, would keep the 909 area code.  The parts of the current 909 in Riverside County, including the cities of Corona, Riverside, Moreno Valley, Calimesa, and Banning, as well as the city of Yucaipa in San Bernardino County, would be split off to form the new 951 area code.  The boundary lines of the old and the proposed new area code are shown in the following map. 

The second plan ("Alternative #6") proposed by the telecommunications industry is an all-services overlay, and would assign new phone numbers to the new 951 area code.  The new area code would cover the same geographic area as the present 909 area code, as shown in the following map. 

The telecommunications industry submitted these two area code change plans to the CPUC in June 2002 in the following petition.  This document describes the seven alternatives the industry considered, some of the data that the industry considered, and the process by which they eliminated five of the alternatives. 

  

Last Modified: 1/14/2008


 
 
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