Manage Airtime Online
Manage Your Prepaid Airtime Online!
Hassle-free prepaid. Your Roadpost online account offers convenient, real-time access to:
Activate your card(s) in seconds, 24/7!
Refill prepaid airtime if your balance is low or nearing expiry. Or select the convenient auto-refill option in your online account*
Extend the expiry date of unused airtime*
Receive alerts via email or text when airtime balance is low or nearing expiry
*As applicable based on the specific type of prepaid card.
Coverage Map
Iridium Coverage Map
Only Iridium provides 100% global communications coverage

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 NetworkDetailed Terms
Iridium GO! Prepaid Card Terms & Conditions
Hidden costs aren’t fun. We believe in giving you all the details.
- Iridium GO! SIM cards can be activated online within 1 year of purchase
- The expiry date of your Iridium GO SIM card begins when it is activated or refilled
- Maximum expiry period per account is 2 years
- Expiry dates are calculated by combining the expiry periods. Expiry periods are cumulative for a maximum of 3 years
- Iridium GO! data per minute rates are applicable to use with the Iridium GO! device only
- Airtime included is estimated based on burn rates. Usage types can be combined and will be deducted accordingly
- Calls are decremented in 20 second increments, texts are decremented per message
- Calls to check voicemail are considered outgoing calls
- Please refer to the Burn Rate Table
- Cards can be refilled with airtime at the then current retail rate of the card, prior to expiry, by logging in to your Roadpost online account. When you refill, any unused minutes carry forward, the expiry date is automatically extended and you retain your original Iridium phone number
- Use your Roadpost online account to extend the expiry date without having to refill airtime.
- Call or text 2888 from your Iridium device for current balance and expiry information
- Existing balances from other Iridium prepaid cards cannot be transferred to Iridium GO! prepaid cards
- Roadpost Standard Terms and Conditions apply
Airtime Burn Rates
Iridium GO! Global Prepaid Airtime Burn Rates
Iridium GO! Prepaid Cards | 400 Data Minute | 1000 Data Minute | 3000 SMS/Text | 6000 SMS/Text |
---|---|---|---|---|
Units per Voucher | 12,000 | 30,000 | 9,000 | 18,000 |
INCOMING* | ||||
Calls and text | FREE | FREE | FREE | FREE |
Two-stage dialed | 60 units | 60 units | 75 units | 75 units |
OUTGOING* | ||||
Iridium GO! data | 30 units | 30 units | 150 units | 150 units |
Iridium to landline/cellular | 60 units | 60 units | 75 units | 75 units |
Iridium to Iridium | 30 units | 30 units | 36 units | 36 units |
Iridium to voicemail | 30 units | 30 units | 36 units | 36 units |
Iridium to data (landline/cellular) | 60 units | 60 units | 150 units | 150 units |
Iridium to data (Iridium) | 60 units | 60 units | 150 units | 150 units |
Iridium to other satellite | 540 units | 540 units | 600 units | 600 units |
Text messages (SMS) | 10 units | 10 units | 3 units | 3 units |
*Note: Number of units burned for each type of call or usage. Burn rates are per minute unless otherwise specified.