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DirectoryIT & CommunicationTelecommunicationsRapperswil SgExtraFon GmbH
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ExtraFon GmbH

Summary

About the company

The core activity of Extrafon is the provision of telecommunications services, particularly in the area of mobile connectivity, IoT/M2M solutions, personal hotspots and global SMS gateways. The company acts as a reseller of leading networks and service providers worldwide and offers its customers a wide range of services, including voice termination, data connectivity, SMS services and unified communications & collaboration solutions. Extrafon focuses on providing global connectivity with optimal coverage and quality at competitive prices.

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Products & services

Industry:Telecommunications
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✓ Offered4
Mobile plans
Flexible mobile plans with monthly cancellation, unlimited calls/SMS and data in Switzerland as well as 5G, EU roaming and app management.
Travel eSIM
Travel eSIMs for over 100 countries and regions with instant delivery by email, QR activation and data bundles against roaming costs.
Data plans
Data-only tariffs for tablets and secondary devices with 5G data volume in Switzerland, EU roaming and eSIM availability.
eSIM mobile services
eSIM-capable mobile connections with QR activation, number portability and management directly in the app.

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Location

Kluggasse 10
8640 Rapperswil Sg

At a glance

Legal form
Limited Liability Company
UID
CHE-111.652.526
Founded
2004 · 22 years
Last commercial register change
November 17, 2025
Employees
1 to 10

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