Changing telephone number in multiple contacts

[Guest]

I need to change mobile phone number from 01-XXX-XXXX to 081-XXX-XXXX on all
of my contacts. Does anyone has some recommended tools or any suggestion?

 

[Brian Tillman]

I need to change mobile phone number from 01-XXX-XXXX to 081-XXX-XXXX
on all of my contacts. Does anyone has some recommended tools or any
suggestion?

Perhaps this tool can help: http://www.slovaktech.com/phonechanger.htm