Looking on the internet deeply has found these results:

customer no is the most popular phrase on the web.

customerno 165,600 results on the web	customer no 14,030,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Working assumption and comments Average of rates charged by associated banks to personal customers No breakdown by maturity available On her return journey on 15 August 2010, she was prevented from boarding an aircraft of the same airline, Air Berlin, flying from Karlsruhe/Baden Baden to Vienna (booking No 11324138/1, customer No 4251689). These effects are more pronounced for smaller customers with no alternate lending relationships. Carl was attacking certain customers for no reason. Besides, no customer, no money. You're talking about 10,000 customers with no cooking and no heat. But not the customer, no.

customerno

165,600 results on the web

customer no

14,030,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Working assumption and comments Average of rates charged by associated banks to personal customers No breakdown by maturity available
On her return journey on 15 August 2010, she was prevented from boarding an aircraft of the same airline, Air Berlin, flying from Karlsruhe/Baden
Baden to Vienna (booking No 11324138/1, customer No 4251689).
These effects are more pronounced for smaller customers with no alternate lending relationships.
Carl was attacking certain customers for no reason.
Besides, no customer, no money.
You're talking about 10,000 customers with no cooking and no heat.
But not the customer, no.