AT&T Speakerphone with Caller ID with Call Waiting 959 - Manual (Page 45)

5
Set Home Area Code
You must program your area code, so your phone can properly recognize
and dial calls.
IF FOR CALLS WITHIN YOUR AREA CODE
YOU DIAL:
ENTER IN STEP 2:
7 digits Your area code
(phone number, no area code)
10 digits 0 0 0
(area code + phone number)
—OR—
11 digits (1 + area code +
phone number
1 Press O until the screen displays:
2 Use the keypad to enter the three digits of your
Home Area Code.
3 Press O to save the setting. You will see the
Local Area Code setup screen.
HAC-___
HOME AREA CODE?
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