CloudAMQP has been available in US-West-1 (Northern California), US-West-2 (Oregon) and US-East-1 (Northern Virginia) for a long time, and from today on, we are also available in US-East-2 Ohio!
You can find the new region in the dropdown menu in the control panel for your account. US-East-2 is available for dedicated and shared instances.
AWS announcement can be found here: https://aws.amazon.com/about-aws/whats-new/2016/10/announcing-the-aws-us-east-ohio-region/
Please email us at firstname.lastname@example.org if you have any suggestions, questions or feedback.