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Cheap Calls to Guam

Make cheap calls to Guam from your mobile or landline

Guam Flag Firstnumber lets you make cheap calls to Guam so you can talk for longer with our cheap call rates. Simply dial the Guam access code followed by the relevant area code and the number you would like to call.

Guam International Call Options & Access Numbers

Guam Country Dialling Code: 001671

firstnumber access numbers & rates
Available? Detail Access Number Rate Country Code
International Landline Calls Available Guam | Landline 0844 869 9700 2p 001671
International Mobile Calls Available Guam | Mobile 0844 869 9700 2p 001671
Additional 'In Country Rates' for Guam
Available? Feature Details Access Number Rate

Make a Cheap Call from your Landline

  1. Dial the landline access number for Guam.
  2. When prompted* dial the country code and the number you want to call.
  3. You will be connected.

* You can dial your destination number at any time during the prompt.

Make a Cheap Call from your Mobile

  1. From your mobile phone* dial the mobile access number for Guam and press 'Send'.
  2. After the voice prompt dial the Guam country code and the number you want to call (do not press 'Send' again)
  3. You will be connected.

* Please check with your mobile service provider Use the numbers alongside to check how much your service providers will charge you to call our access numbers if you are unsure.

Area Dialling Codes for Guam

Also available from firstnumber for your guidance is a list of relevant area dialling codes for Guam. Don't forget to dial the country dial code for Guam (001671), then drop any numbers in brackets below from your number's area code before the number you want to dial.

City Dialling Code List for Guam
Area Area Code Notes
Guam (1)671 + 7 digits
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Common Mobile Provider Support Numbers

Call your mobile service provider for pricing details on using our mobile access number (i.e. 0844 869 9700) with your provider.

Mobile service provider support numbers are:

  • O2: 0870 241 02 02
  • Virgin Mobile:
    • 789 from your mobile
    • 0845 6000 789 from a landline
  • Vodafone:
    • 191 from your mobile
    • 08700 700 191 from a landline
  • Orange:
    • 150 from your mobile
    • 07973 100 150 from a landline
  • T-Mobile:
    • 150 from your mobile
    • 0845 412 5000 from a landline
  • 3 Mobile:
    • 133 320 from your mobile