I find it troublesome to get "tech support", as that should come along with a $29 bill. I only have two simple questions to ask:
Select “Phone Numbers” from the Routing menu
Choose “claim a number”
Enter a prefix (area code) to filter the list of available numbers with a specific area code.
NOTE: you may not get results for every area code. If you are looking for a new number in a specific area code that does not show results, you would need to open a support ticket to request a number in that area code.