Iridium Plans SIM Card by Roadpost
Iridium Plans SIM Card by Roadpost

Iridium Satellite Phone Monthly Plans and Airtime

As Low As $55.99/Month Requires one-time $35 activation fee
In stock

Iridium Monthly Plans for satellite phones include 10-200 voice minutes of airtime each month, no long-term contracts, free voicemail and call display, free incoming calls and text, airtime pooling, and voice and data coverage everywhere on Earth via the Iridium network.

With an Iridium plan from Roadpost you’ll enjoy more value, free features and convenient options like true pay-as-you-go monthly service that you can change or cancel any time.


  • True pay-as-you-go monthly service with no annual contract
  • Pool/share airtime with other users on the same account
  • FREE voicemail and call display
  • Convenient online access to check airtime usage
  • 100% global coverage over every inch of the planet
  • Unlimited Iridium to Iridium calling (optional)
  • No termination fees
  • Free ground shipping

Expand for details

One Time Activation Fee   + $35.00


Manage Airtime Online

Manage Airtime Online

Your Roadpost account gives you 24/7 access to manage your monthly airtime online:

Check usage of airtime included with your plan

Add options like a US Phone Number, voicemail, or airtime bundles*

View your plans by phone number or plan name

Contact us anytime to change/cancel your plan

Unlimited Iridium-to-Iridium

Unlimited Iridium-to-Iridium Calling

For the calls that that count, don't count the minutes.

The lowest cost mobile-to-mobile rate in the industry — for anyone making more than 34 minutes of calls to Iridium numbers per month.

Add this affordable feature to your Roadpost monthly plan and enjoy unlimited* calls to Iridium numbers!

Coverage Map

Iridium Coverage Map

Only Iridium provides 100% global communications coverage

Iridium logo

Stay connected everywhere. Iridium is the leading commercial satellite network in the world and the only one that provides voice and data communications across every inch of the planet — including the earth's oceans, airways and polar regions.

Iridium Network
Iridium network coverage globe

Detailed Terms

Iridium Monthly Service Terms & Conditions

Hidden costs aren’t fun. We believe in giving you all the details.

  • Initial one-time activation fee applies
  • Plans auto-renew month-to-month until cancelled or changed
  • Plans can be canceled or changed at any time, without penalty, after the initial 30-day minimum term. (Note: Some vendors that claim to offer monthly plans but in fact require 3-12 month contracts, and charge penalties for early termination.)
  • Included monthly airtime applies to these call types: landline/cellular, other Iridium phones and voicemail. Additional usage will be charged at the standard airtime rates displayed above
  • Cancellations on month-to-month satellite subscriptions are billed to end of your current monthly bill cycle date.
  • Unused included satellite subscription airtime does not carry forward month-to-month
  • Pool/share monthly voice airtime with users on the same account.
  • Calls to check voicemail are considered outgoing calls
  • Iridium Fair Use Policy applies
  • Roadpost Standard Terms and Conditions apply

Airtime Rates

Iridium Plan Airtime Rates

Plan Details Iridium 10 Iridium 100 Iridium 200
Monthly plan fee $55.99 $89.99 $114.99
Included voice minutes and text messages Includes 10 voice minutes and 10 text messages Includes 100 voice minutes and 100 text messages Includes 200 voice minutes and 200 text messages
One-time activation $35 $35 $35
Incoming Calls/Text Messages
Voice and data calls FREE FREE FREE
Text messages/SMS FREE FREE FREE
Dedicated U.S. number dialled $1.69/minute $1.69/minute $1.69/minute
Two-stage dialing $1.59/minute $1.59/minute $1.59/minute
Outgoing Calls/Text Messages
Calls to landline/cellular $1.29/minute $1.29/minute $1.29/minute
Voicemail retrieval 89¢/minute 89¢/minute 89¢/minute
Calls to other Iridium 89¢/minute 89¢/minute 89¢/minute
Text messages (SMS) 25¢/message 25¢/message 25¢/message
Calls to other satellite networks $9.99/minute $9.99/minute $9.99/minute
Data calls $1.29/minute $1.29/minute $1.29/minute