I'm willing to bet the following has happened: - You are customer ID 150 in your new carrier's DB - When porting, a manual fat finger linked that number to cu

I'm willing to bet the following has happened: - You are customer ID 150 in your new carrier's DB - When porting, a manual fat finger linked that number to customer 151 - Customer 151 is a reseller and has Neutral Tandem as a customer - The new carrier's customer service UI only shows ownership based on the first number of the block I run a telco and have seen similar issues happen many times. Have the tech team trace and see if a test call you make to the number routes via them. If so, it's their issue.