Are you traveling? or Are you planning to leave your Country?
Are Some or all the numbers in your contact start with local Area code?
Are you planing to Edit all of them Manually O-o NO NEED!!!!

- Fix My Numbers will check the starting prefix for the numbers in your Contact list and try to fix them. The change will be According to the Country specified!. E.g.:

xx{Country-Code}987654321 >> +{Country-Code}987654321
x987654321 >> +{Country-Code}987654321

- A backup of your contacts will be Created in "/SD-Card/FixMyNumbers/Contact_Backup_DATE_TIME.vcf".