FIXING PHONE NUMBERS AFTER AN AREA-CODE SPLIT
You can run a utility called PREFIX to fix all phone numbers in the customer file and vendor file automatically.
Area code generally do NOT change all the phone numbers in one area code to another area code.
Instead, about half of the existing phones in that area code remain unaffected and the rest are moved to the new area code.
The phone numbers changed are those contained within a list of prefixes which the phone company gives you. The prefix is the first 3 digits of a phone number after the area code.
so.. you type the list of affected prefixes into the above utility and it will fix the phone numbers.