In table design, set the field's properties (lower pane) like this:
Validation Rule Not Null
Validation Text Enter something (even N/A) for phone.
Allow Zero Length No

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Allen Browne - Microsoft MVP. Perth, Western Australia
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"Steve Stad" wrote in message
...
Can you tell me how to write a data validation rule I can use in the table
design mode for a phone number field that will not allow blanks (eg Not
null)
and allow user to write N/A if phone number is not known or available AND
allow user to type a phone number as (123) 123-3456 if phone number is
available.
Thanks.