I am trying to access magento2 shipping methods like UPS/USPS but its throwing exception "This shipping method is currently unavailable. If you would like to ship using this shipping method, please contact us."
Magento 2 – Fix Shipping Methods Exception for UPS/USPS
magento2shippingupsusps
Best Answer
The issue might be of some address problem. See if this link given below can help you out :)
http://wiki.onestepcheckout.com/index.php?title=Shipping_methods
EDIT :
Just try this from a different network. The issue might be that the web services url are blocked in your office network. This prevents the request from hitting the shipping carrier servers. Also recheck your credentials before entering.
Trying from a different network connection worked for me !