Business Customer Service

1 800 921 8102 

1 888 637 9620

FOR VOICE and DATA call 1 800 921 8102  

Prompt 2

then enter telephone or account number followed by the # 

Prompt 5, 4 

FOR PRI  call 888 637 9620 

option 1, 1 to open a ticket 

option 1, 2 for status on an open ticket

https://frontier.com/small-business/helpcenter/categories/account