Notice: 415/658 Area Code Overlay Effective February 21, 2015

Beginning on February 21, 2015, it will be required to use new dialing procedures for the area codes, 415 and 628.  The geographic area that ‘415’ normally covers (county of San Francisco, most of Marin County, and some of San Mateo County) will be adding another area code(628) which is called an Overlay.  This addition will simply require all of us to change the way we dial our calls. You may also have to re-program phone numbers in your devices.415-Overlay

This change not only affects those who have a phone number with a 415 area code and those who will receive a phone number with a 628 area code in the future; it also affects those of us who are service providers.  Many of us work with marginalized communities who are accessing social services and it’s a reminder that we’ll need be mindful of the contact numbers when we’re referring folks to other services.

To complete calls from a landline phone, the new dialing procedure requires callers to dial 1 + area code + telephone number. This means that all calls in the 415 area code that are currently dialed with seven digits will need to be dialed using 1 + area code + telephone number.   
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