47 ausgewählt
- Nicht ausgefüllt
- W.C.S.
- W.T.N., inc.
- Walgreens
- Walt Disney
- Wataniya Telecom
- WeChat go
- West Coast Communications
- Westel
- Westel Ghana
- Westel Intelcom
- Westel Italia
- Western Union
- Willcom
- Wind
- Windtel
- Winner
- Wise
- World Acces
- World Call
- World Com
- World Phonecard Company
- World Telecom
- World Telecom Center
- World Telecom/Fon-Olé
- World x Change Communications
- World_x_Change
- World_x_Change Communications
- Worldcall
- Worldcall 2000 tm
- WorldCard
- WorldCom
- WorldCom Inc.
- WorldLine Telecom GmbH
- Worldlink
- Worldlink Communications
- Worldnet
- Worldphone
- WorldPhone Asia
- WorldTelecom
- Worldwide
- Worldxchange
- WorldxChange Communications
- WRC Witte Reizen Centrale
- WTB Telecom
- Wuhan Telecom
- WWA
- WXL