Category A number ports are applicable only to single/standalone numbers delivered on:
Category C number ports are applicable to any numbers that:
It may be possible to remove a specific number from a hunt group or fax duet service and port it as a Category A number. Please contact the current provider to see if this is possible.
If any of your numbers being ported require Category C porting, we generally recommend setting Category C for all of your numbers on the port.
This way, all of your numbers will be processed as a single port, so they will all fall under a single Category C porting cost and will be processed at the same time.
Category M number ports are applicable to any mobile numbers.