916 Area Code 

 

On February 09, 2017, the California Public Utilities Commission (CPUC) approved an overlay that will add the new area code 279 to the 916 area code region. Under the overlay plan, current 916 Area Code customers can keep their numbers, but as of February 10, 2018, all calls made from the 916 Area Code will have to be dialed using 1 + area code + 7-digit telephone number.  This means that all calls in the 916 Area Code that are currently dialed with 7 digits will need to be dialed using 1 + area code + 7-digit telephone number. 

  • Beginning August 12, 2017, customers in the 916 Area Code may begin using the new 1 + 10 digit  dialing procedure (1 + area code + telephone number) when placing calls.  If customers forget to use the new dialing procedure and just dial the seven-digit telephone number, calls will still be completed until February 10, 2018. 
  • Beginning February 10, 2018, callers must use the new 1 + 10-digit dialing procedure for all calls.  After this date, if customers do not use the new dialing procedure, their calls will not be completed and a recording will instruct them to hang up and dial again. 
  • Beginning March 10, 2018, new telephone lines or services may be assigned numbers using the 279 area code.
Dialing 1 + area code + 7-digit telephone number does not change what a call costs and does not mean that a call is a toll or long distance call.  Calling areas and rates will not change - what is a local call now will remain a local call.  Calls to 911, as well as 211, 311, 411, 511, 611, 711 and 811 will not be affected, and will continue to be dialed with 3 digits. 

The overlay will primarily affect the greater Sacramento area, which includes parts of El Dorado, Solano, Sutter, Yolo, Placer, and Sacramento Counties.

Read our reminder of the new dialing procedure.

 

Background 

On November 17, 2016, the North American Numbering Plan Administrator (NANPA) filed an application (A.16-11-007) with the CPUC to introduce a new area code to the area now served by the 916 area code because all of the available three-digit central office prefixes in the 916 area code are expected to be assigned by the 1st quarter of 2018.

The 916 area code was created in 1947 as one of the original three area codes in California, and serves the greater Sacramento area, which includes parts of El Dorado, Solano, Sutter, Yolo, Placer, and Sacramento Counties. The 916 area code serves the cities of Lincoln, Loomis, Rocklin and Roseville in Placer County; Citrus Heights, Elk Grove, Folsom, Isleton, Rancho Cordova, and Sacramento in Sacramento County; and the City of West Sacramento in Yolo County.  The 916 area code is bordered on the north and east by the 530 area code, to the west by the 707 area code, and to the south by the 925 area code and the 209 area code.

 916 Area Code Background

 916 Area Code Map

The CPUC invited public comments through public meetings, which were held on August 15 and 16, 2016, in the Cities of Sacramento, Folsom and Roseville. Options for introducing the new 279 area code – overlay or geographic spilt – were discussed. Attendees at the three 916 meetings were mostly local jurisdiction officials. They expressed support for the overlay option. Some local jurisdiction officials inquired about steps that should be taken to prepare for the proposed overlay. CPUC staff and NANPA explained that preparation includes programming office equipment, such as fax and answering machines, as well as alarm and security devices to accommodate 1 + 10-digit dialing. Several commenters also inquired about the timeline and dialing procedures associated with the proposed overlay.

916 Public Meeting Materials

916 Public Meeting Staff Report

On Feb. 9, 2017, the CPUC adopted Decision 17-02-010 and acted to ensure that phone numbers continue to be available to meet demand in the 916 area code by approving an area code overlay that will provide additional numbering resources while minimizing customer inconvenience. The new area code that will be added to the 916 region is 279. Read our press release and view our presentation.

 
Decision 17-02-010 orders the telecommunications service providers to conduct a 13-month Public Education Program to educate consumers about the new area code and the new 1 + 10-digit dialing procedure. Materials for the Public Education Program include customer notices, TV and radio announcements, newspaper advertisements, and press releases. The materials will address the permissive and mandatory dialing periods, as well as remind customers that all services and equipment that are programmed with a 7-digit telephone number may need to be reprogrammed using the new 1 + 10-digit dialing pattern.

 


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