No, your account number is the same however the receiver ID did change. If your previous account was CE-1234, your account number is 1234 and the receiver ID is CE. In the new system account CE-1234 is now S776-1234. Below you will see the conversion for the receiver ID or account prefix. You can also identify your account by using the physical address at the alarmed location.
CE=S776
CF=S778
L9=S906
DIP=S809
‍