Wireless Support

An overlay is the addition of another area code to the same geographic region as an existing area code. In this instance, the 442 area code is being added to the region served by 760. An overlay does not require customers to change their existing area code or telephone number, but it does require callers with both area codes to dial the area code and the 7-digit number for all calls.

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Anyone who has a telephone number with a 760 area code is affected. The 760 area code serves communities from the Mammoth Lakes area in the north, south to the Mexican border, Camp Pendleton and Northern San Diego count on the west, and east to the state line

View a map of the area code overlay.

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The new 442 area code is being added to the region served by 760. Since two area codes will soon serve the same region, customers with a 760 (or 442) area code must now dial the area code for all calls – including calls within the same area code. 

This means, if you have a 760 phone number and call another 760 phone number, you will have to dial the area code. You will no longer be able to dial just the 7-digit phone number.

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Beginning May 2, 2009, all customers with a 760 area code should begin dialing the area code for ALL calls. There will be a grace period, so if you forget and dial just seven digits during the grace period, your call will still be completed.

Beginning October 24, 2009, if you do not use an area code, your call will not be completed and a recording will instruct you to hang up and dial again.

Beginning November 21, 2009, new telephone lines or services may be assigned numbers with the 442 area code.

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No, you will only need to dial the area code for all calls. Your seven-digit telephone number, including your current area code, will not change. The price of a call, your coverage area and other rates and services will not change because of this overlay. All local calls will remain local regardless of the number of digits dialed.

You can still dial just three digits to reach 911, 611, 411 and other 3-digit numbers that may be available in your community.

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In addition to dialing the area code for all calls, please make certain all automatic dialing equipment, text alert or messaging services, and other types of equipment that are programmed with a 7-digit number are reprogrammed to use an area code. Be sure to check that the phone numbers pre-programmed in your wireless handset include the area code. You may also want to check your stationery, advertising materials, websites, and any ID tags to ensure the area code is included.

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As early as November 21, 2009, new telephone lines or services may be assigned numbers with the 442 area code.

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Since two area codes (760 and 442) will serve the same region, customers with the 442 area code will also have to dial the area code for ALL calls.

This means that if you have a 442 phone number and call another 442 phone number, you will have to dial the area code. You cannot dial just the seven-digit phone number.

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• Your telephone number, including current area code, will not change.
• The price of a call, your coverage area, or other rates and services will not change due to the overlay.
• What is a local call now will remain a local call regardless of the number of digits dialed.
• You can still dial just three digits to reach 411, 611, 911, and other 3-digit numbers that may be available in your community.

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If you have any questions regarding the information provided, please visit: http://www.cpuc.ca.gov/760areacode.

You may also Contact Us by phone at the following numbers:

• Customer Service at (800) 922-0204
• Prepay Customer Service at (888) 294-6804

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