Trying to find which country code is +1-664?

+1-664 is assigned to Montserrat – This is a International Dialing Code when you dial to Montserrat from abroad.

When you receive a call from Montserrat this +1-664 ISD Code will appear on your mobile caller id.

Check Other Country Codes here ISD Codes

Find more on International Calling Rates with International SIM Card