This article or section contains information about planned or expected future infrastructure. It may contain speculative information and may change upon or during construction.

657 is a planned area code overlay for Northern Orange County, planned to be implemented in late 2008^[1]. Image File history File links Gnome_globe_current_event. ... Image File history File links Bridge_drawing. ... Cities in Orange County Orange County is a county in Southern California, United States. ...

On Thursday, September 20, 2007, the California Public Utilities Commission approved an overlay of the whole 714 area with the new 657 area code. [1][2] Area code 714 is an area code for telephone dialing which encompasses northern and eastern Orange County, California and a small sliver of Los Angeles County, California (La Mirada). ...

Permissive 1+ ten-digit dialing within the existing 714 region will start no later than February 23, 2008. Mandatory 1+ ten-digit dialing within 714 will take effect on August 23, 2008, and the new 657 overlay area code first taking effect with new numbers a month later, on September 23, 2008. [3] Area code 714 is an area code for telephone dialing which encompasses northern and eastern Orange County, California and a small sliver of Los Angeles County, California (La Mirada). ... Area code 714 is an area code for telephone dialing which encompasses northern and eastern Orange County, California and a small sliver of Los Angeles County, California (La Mirada). ...

Notes

1. ^ New area code planned for 714 Orange County Register

External links

• California Public Utilities Commission information on changes to the 714 area code, last modified 10 Apr 2007, retrieved 7 May 2007