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Volume 3, Issue 16
August 18, 1999
Key Information
The California Public Utilities Commission has approved a new "overlay" area
code for the geographic area served by Area Code 650. Existing customers, including SLAC,
will not need to change their assigned area code. However, we will soon need to make some
changes in the way we dial our outgoing calls. These changes, and how they will impact
you, are explained below.
How to Dial Outgoing Calls
The California Public Utilities Commission (CPUC) and the Federal Communications
Commission (FCC) have mandated that calls dialed within an overlay area must be dialed
using 1 + area code + the seven-digit local number (1 + 10-digits). This will apply to all
Pacific Bell lines, including pay phones. You will continue to use "9" to access
outside lines from SLAC phones. So, from SLAC phones, you will dial 9 + 1 + 10-digits for
both local and long-distance calls.
No Change for Internal and Tie-line Calls
There will be no change in how you dial these calls. For internal calls, dial the
four-digit extension. For tie-line calls to campus, dial 88 + the five-digit campus
extension.
How to Call SLAC
The area code and other assigned numbers at SLAC will not change. If you are calling
from inside the 650 area code, you will need to dial 1 + 650 + 926 + the four-digit SLAC
extension(1 + 10-digits).
Schedule
There will be a permissive dialing period, beginning September 18,
1999, when you can dial your local calls using either the seven-digit number or the 1 +
10-digit number. You should use this period to get acquainted with the new way of dialing.
You should also update local numbers programmed into speed dialers, fax machines, and
modems.
The mandatory dialing period, when you must dial local calls using 1 + ten-digits, is
scheduled to begin June 17, 2000. Assignment of numbers in the 764 Overlay is scheduled to
begin September 16, 2000.
The Demise of Geographic Area Codes
Overlays are also coming for Area Codes 408, 510, and 415 in the Bay Area, Areas 310
and 714 in Southern California, and locations in at least eleven other states. As more
locations go to 1 + 10-digit dialing, it is best to think of all telephone numbers as
10-digit numbers. You will need to be more careful to keep track of area codes for all
persons you call, as you will not be able to determine an area code based on where someone
lives or works.
Also, you should inform all persons, including local callers, of your full
10-digit telephone number.
How to Report Dialing Problems
If you encounter problems when placing an outgoing call from SLAC,
please report the problem from the Web, using the Repair Request form, located under
Public Access, at http://www2.slac.stanford.edu/comp/telecom/phone/.
You may also report dialing problems to the Telephone Repair Line,
x2200. Be sure to include the extension with the dialing problem, as well as the full
10-digit number you are trying to call.
If someone from outside of SLAC is not able to reach you, they should report the
problem to their local service provider (for example, Pacific Bell or GTE).
Contact: Brenda Eberle, Telecommunications, Ext. 2200, eberle@slac.stanford.edu
For complete information on Laboratory Events (general
interest seminars, committee meetings and physics workshops), please see: http://www.slac.stanford.edu/grp/pao/seminar.html
- please check for updates. Please send additions to the Public Affairs Office,
MS 70, fax x5379 or to seminars@slac.stanford.edu
Contact: Lesley Wolf, Public Affairs Office, Ext.
2204, seminars@slac.stanford.edu
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