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 FileMaker Pro Custom Functions

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FormatPhone ( phone )

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  Average rating: 4.7  (37 votes)
  Discuss this Custom Function

Sravan Puttagunta, Mann Consulting

Auto formats all US based phone numbers, along with extensions.

Sample Input:
FormatPhone (3333333333123)
FormatPhone (1-333-333-3333x123)
FormatPhone (333-333-3333 123)
FormatPhone ((333)333-3333 123)
FormatPhone (333-333-3333x123)
Sample Output:
1(333) 333-3333 x123

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


Useful for entering phone numbers

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


5 most recent comments | Show all 7 comments

Just what we need. Another phone number formatter. What does this make? Eight for North American numbers?

Matt, Northern Vermont
July 09, 2009 4:02am

No need to be snide Matt. Everyone is entitled to their take and to try their hand at things.

Will Loving, Amherst, MA
August 23, 2010 9:13pm

I am sorry that I haven’t seen these comments before, but what we need is constructive ones. So, every one just pls. limit it to make all the community to grow.

Luis Gonzalez/AFS Group,Inc, Miami, Fl
December 21, 2010 12:02pm

Neat bit there where a missing area code (often left out in legacy data and in fast data entry because it is always the same) gets interpolated into the phone number. Slick and just what I needed! thanks.

Paul, Oakland CA
August 20, 2013 2:21pm

I appreciate it very much and it works great!!!

Matt I wish I was as smart as you, but I am not and so I appreciate help when I can get it. Please do not hack in my computer for saying that!

Thank You

Adam, Los Angeles, CA
February 05, 2015 12:57am

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