619 Area Code

On April 27, 2017, the California Public Utilities Commission (CPUC) approved a boundary elimination overlay in Decision 17-04-027 that will add the 858 area code to the 619 area code region. Under the boundary elimination overlay plan, current 619 and 858 customers can keep their existing telephone numbers and area code.
In a traditional area code overlay, a new area code is added to the existing geographic area served by the area code in which numbers are depleting. In this case, instead of adding a new area code to the 619 area code region, the CPUC eliminated the boundaries in which the 619 and 858 area codes can be allocated, thereby blending the 619 and 858 area codes, and allowing both 619 and 858 telephone numbers to be available for the blended 619-858 region. All customers with existing 619 and 858 numbers will retain their current telephone numbers; however, customers must dial 1 plus the three-digit area code for all calls to and from telephone numbers with the 619 and 858 area codes. Customers can begin to use this new dialing procedure (1+10 digit dialing) starting in October 2017 (called the permissive dialing period), and must use the new dialing procedure at the start of the mandatory dialing period in April 2018. Read more in our press release.

Background

On December 15, 2016, the North American Numbering Plan Administrator (NANPA) filed an application (A. 16-12-005) with the CPUC to add the 858 area code to the 619 area code, because the 619 area code was forecasted to use up all its available prefixes by the 1st quarter of 2018.
The 619 area code was created from a split of the original 714 area code. In 1997, the 619 area code was split to form the 760 area code. In 1999, the 619 area code was split again to create the 858 area code. The area served by the 619 area code, largely made up of the City of San Diego, includes the southern portion of the City of San Diego, and the adjacent cities of Chula Vista, Coronado, El Cajon, Imperial Beach, La Mesa, Lemon Grove, National City, Santee, and unincorporated areas of San Diego County. The area served by the 858 area code comprises the northern portion of the City of San Diego along with the adjacent cities of Del Mar, Poway, Solana Beach, and a small portion of the City of Encinitas as well as an unincorporated area of San Diego County. The 619 area code is bordered on the north by the 858 area code and to the east by the 760/442 overlay complex.

 
619 Area Code Background
619 Area Code Map  

 
The CPUC invited public comments through public meetings, which were held on October 4 and 5, 2016, in the Cities of San Diego, Solana Beach, and Pine Valley. At the meetings, NANPA staff discussed options for introducing another area code to the 619 area code, such as boundary elimination overlay, all services overlay, and geographic spilt. Attendees largely appeared to accept the boundary elimination overlay option proposed by the telecommunications service providers. Public safety officials inquired about steps that should be taken to prepare for the boundary elimination overlay. Overall, the meeting attendees had few inquiries and comments.

 
619 Public Meeting Materials
619 Public Meeting Staff Report

 
On April 27, 2017, the CPUC adopted Decision 17-04-027 and acted to ensure that phone numbers continue to be available to meet demand in the 619 area code by approving a boundary elimination overlay of the 619 and 858 area codes to allow both the 619 and 858 area codes to be used in the same geographic region, and provide additional numbering resources while minimizing customer inconvenience.
May 1, 2017: CPUC Provides for Additional Phone Numbers for 619 Region


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