Dominica
Power & telecom standards in Dominica
Connectivity Overview
Tempest Telecom offered satellite-only service in Dominica. Iridium satellite Internet and Voice access was available for communications in rural areas without infrastructure.
Dominica uses 230V at 50Hz. Power outlets are type D, G and telephone jacks are RJ-11.
Dial-up Internet Access
Dial-up access was not available in Dominica. Satellite Internet was the recommended alternative.
WiFi Hotspot Access
WiFi hotspot access was not available through Tempest in Dominica.
Adapters & Power
A Type G (British 3-pin) adapter is required for travelers from North America, Europe, and most of Asia.
Standard RJ-11 jacks are used. Most international modems will connect without an adapter.
Dominica at a Glance
- Capital
- Roseau
- Phone Code
- +1-767
- Voltage
- 230V / 50Hz
- Power Plug
- D, G
- Phone Jack
- RJ-11
- Currency
- EC Dollar
- Dial-up
- N/A
- WiFi
- N/A
About connectivity in Dominica
Dominica uses 230V/50Hz with Type D and Type G outlets — reflecting British colonial-era wiring standards. The phone jack is RJ-11. Flow Dominica (Liberty Latin America) and Digicel Dominica compete in the country's small telecom market.
Dominican (Commonwealth of Dominica) commercial Internet emerged in the late 1990s. Mobile data dominates current Internet access. The 2017 Hurricane Maria devastation destroyed substantial infrastructure that required years of reconstruction.
The Dominican prepaid international calling-card market through the 2000s served the modest outbound diaspora — concentrated in the United States and the United Kingdom.
Tempest Telecom served Dominica through dial-up POPs in Roseau. The Caribbean maritime industry and the post-2017 Hurricane Maria humanitarian customer base sustained Iridium demand.
Modern Dominica has expanding 4G LTE coverage with FTTH concentrated in Roseau.
Tempest's services across Dominica, 1997–2012
Tempest Telecommunications operated international connectivity services in Dominica between 1997 and 2012 under a unified prepaid account that absorbed multiple service types onto a single customer credential. Customers in Dominica drew from the same balance for pre-paid international voice calling, RADIUS-authenticated dial-up Internet roaming, metered Wi-Fi hotspot access, Iridium satellite voice, and Inmarsat BGAN data terminals. An attempted kiosk-payment federation (PATN, 1998) extended the same architecture to public Internet terminals but failed to reach scale.
Iridium satellite voice was available in Dominica from approximately 2001 (post-bankruptcy relaunch). Thuraya coverage did not extend to Dominica; Inmarsat BGAN data terminals filled the broadband gap from late 2005.
Nearby countries in Americas
Chile · Colombia · Costa Rica · Cuba · Dominican Republic · Ecuador · El Salvador · French Guiana