Die folgende Übersicht stellt Anbieter von klassischer Telefonie (analog, ISDN, mobil) und von Internetzugängen (DSL, Kabel, Funknetze) zusammen. Eine Liste von VoIP-Anbietern ist separat aufgeführt.
| Logo | Anbieter | Angebot | Kundenkreis | Flatrate möglich? |
 | Alice (HanseNet) | Telefonie, DSL | Privat, Business | Telefon-Flat |
 | cablefon | Analog | Privat | Telefon-Flat |
 | DNS:NET | ISDN, DSL, Wireless | Business, Reseller | |
 | EWE Tel | Analog, ISDN, DSL | Privat, Business | Telefon-Flat |
 | M-Net | Analog, ISDN, DSL | Privat, Business | Telefon-Flat |
 | QSC | ISDN, DSL | Privat, Business | Telefon-Flat |
 | Telekom | Analog, ISDN, DSL, Satellit | Privat, Business | Telefon-Flat |
 | Kabel BW | Analog, Kabel | Privat | Telefon-Flat |
 | Unitymedia | Analog, Kabel | Privat, Business | Telefon-Flat |
 | BITel | Analog, ISDN, DSL | Privat, Business | Telefon-Flat |
 | Versatel | Analog, ISDN, DSL, CbC | Privat, Business | Telefon-Flat |
 | Vodafone | ISDN, DSL, CbC | Privat, Business | Telefon-Flat |
 | Kabel Deutschland | Analog, Kabel | Privat, Business | Telefon-Flat |
| Logo | Anbieter | Angebot | Kundenkreis | Flatrate möglich? |
 | green.ch | Analog, ISDN | Privat, Business | |
 | gao.ch | Analog, ISDN, Kabel | Privat | |
| Logo | Anbieter | Angebot | Kundenkreis | Flatrate möglich? |
| 01015 | 01015 | CbC | Privat, Business | |
| 01026 | 01026 | CbC | Privat, Business | |
| 01035 | 01035 | CbC | Privat, Business | |
| 01051 | 01051 | CbC | Privat, Business | |
| 01056 | 01056 | CbC | Privat, Business | |
| 01058 | 01058 | CbC | Privat, Business | |
| 01071 | 01071 | CbC | Privat, Business | |
| 01077 | 01077 | CbC | Privat, Business | |
| 01081 | 01081 | CbC | Privat, Business | |
 | 3U | CbC | Privat, Business | |
 | Debitel | Mobil, DSL, CbC | Privat, Business | Telefon-Flat |
 | Freenet | Telefonie, DSL, CbC | Privat | Telefon-Flat |
| tele2 | Tele2 | DSL, CbC | Privat | Telefon-Flat |
 | Telekom | Telefonie, DSL, CbC | Privat, Business | Telefon-Flat |
| | Versatel | Analog, ISDN, DSL, CbC | Privat, Business | Telefon-Flat |
| | Vodafone | Telefonie, DSL, CbC | Privat, Business | Telefon-Flat |
| Logo | Anbieter | Angebot | Kundenkreis | Flatrate möglich? |
 | BASE | Mobil | Privat, Business | Telefon-Flat |
| | Debitel | Mobil, DSL, CbC | Privat, Business | Telefon-Flat |
 | E-Plus | Mobil | Privat, Business | |
 | O2 | Mobil | Privat, Business | Telefon-Flat |
 | T-Mobile | Mobil | Privat, Business | |
 | TelDaFax | Mobil, DSL, Wireless | Privat, Business | Telefon-Flat |
| | Vodafone | Mobil | Privat, Business | Telefon-Flat |
| Logo | Anbieter | Angebot | Kundenkreis | Flatrate möglich? |
| drei | drei.at | Mobil | Privat, Business | Telefon-Flat |
 | Yesss | Mobil, Preselection | Privat | |
| Logo | Anbieter | Angebot | Kundenkreis | Flatrate möglich? |
 | 1&1 | DSL | Privat | Telefon-Flat |
 | 1XNet | DSL | Privat, Business | Telefon-Flat |
 | 4VoIP | DSL | Privat | |
| | Alice | Telefonie, DSL | Privat, Business | Telefon-Flat |
 | antilo AG | DSL | Business, Carrier | |
 | blueSIP | DSL | Privat, Business | |
| | BITel | Analog, ISDN, DSL | Privat, Business | Telefon-Flat |
 | cablesurf | Kabel | Privat | |
 | ClaraNet | DSL | Privat, Business | |
| | Debitel | Mobil, DSL, CbC | Privat, Business | Telefon-Flat |
| | DNS:NET | ISDN, DSL, Wireless | Business, Reseller | |
| | EWE Tel | Telefonie, DSL | Privat, Business | Telefon-Flat |
| | Freenet | DSL, CbC | Privat | Telefon-Flat |
 | GMX | DSL | Privat | Telefon-Flat |
| | Kabel BW | Telefonie, Kabel | Privat | Telefon-Flat |
| | Kabel Deutschland | Analog, Kabel | Privat, Business | Telefon-Flat |
 | Kamp | DSL | Privat, Business | Telefon-Flat |
 | KGT new media | DSL | Privat, Business | Telefon-Flat |
| | M-Net | Analog, ISDN, DSL | Privat, Business | Telefon-Flat |
 | Portunity | DSL | Privat, Business, Reseller | |
| | QSC | Telefonie, DSL | Business | |
| | Telekom | Telefonie, DSL, Satellit | Privat, Business | Telefon-Flat |
| | Teldafax | Mobil, DSL, Wireless | Privat, Business | Telefon-Flat |
| tele2 | Tele2 | DSL, CbC | Privat | Telefon-Flat |
| | Unitymedia | Telefonie, Kabel | Privat, Business | Telefon-Flat |
| | Versatel | Telefonie, DSL, CbC | Privat, Business | Telefon-Flat |
| | Vodafone | Telefonie, DSL, CbC | Privat, Business | Telefon-Flat |
