Country Calling Codes HomeInternational calling from Montenegro to Guam made easy Perform a New Calling Codes Search Need help with Montenegro or Guam calling codes? Click here.
Add to your Favorites List.

Search Calling Codes Alphabetically by Country

Reverse Country Code Lookup Tool

Mobile Codes

ISO Country Codes

Tell your friends about

Sign the Guestbook


Country flag of Montenegro Country flag of Guam

How to call a Guamanian mobile phone from Montenegro.

Dial the following international mobile code:

00 + 1 + 671 + The Number

* Do not dial the plus (+) symbols

Visit!Calling Guam?
Call NOW for just /min!
No fees, we promise!

How to make your international call How to call a Guam mobile phone:

00 - Montenegro exit code to dial first when calling international
1 - Guam country code must be dialed next
671 - Guam mobile code must be dialed next
00 + 1 + 671 + Local Number - Overall dialing format

World Time Zones World Times:

The time in Montenegro is now 22:08:33 PM (10:08:33 PM)
The time in Guam is now 07:08:33 AM (07:08:33 AM)

Call a Guam cell phone. More Ways to Call a Guam mobile phone:

Call Guam from any phone with Rebtel!

Call a Guam cell phone. Tips for calling a cell phone in Guam:

  • To call a Guamanian cell phone from a land line, simply follow the mobile country code dialing instructions above to place your call.
  • To call a Guamanian cell phone from your cell phone, you may need to first use the + (plus) sign prior to entering the Guam mobile code and telephone number.
  • If you are calling Guam from your cell phone, you may incur additional charges or fees from your mobile carrier. We recommend trying out a service, such as Call Guam from any phone with Rebtel!


We hope that the Country Calling Codes mobile country codes guide has helped you call a cell phone in Guam. Why not share our Guam phone book with your friends and bookmark this page and tell a friend about this site for the next time they need to search for mobile area codes or call a cellular phone in another country.

FAQ | Help | About Us | Contact Us | Link to Us | Partners | Advertise

Content Copyright © 2000-2020 Domain-it! All rights reserved. Privacy Policy


Download the Free Country Calling Codes Tool

Convert Currency for  and