74 geselecteerd
- Niet ingevuld
- P & J Promotions
- P&T
- P&T Luxemburg
- P.T.I.
- Pacificnet
- PacificTelecard
- PakTelecom
- Pangea
- Pannon
- Parkstad Limburg Stadion
- Passport 2 Africa
- Patco
- Payphone
- PCC
- PCC Cyberlight
- PCCW
- PCS Wireless Services
- Peepshow Amsterdam
- Pelikom
- Peoplecall
- Phenix Telecom
- Philippine Digest
- Philips
- Phoenix Comms
- Phone Card
- Phone Line International
- PhoneNet
- PhoneSave
- PHONET
- Phonetime
- Phonetime Inc.
- Phoneway
- Phonexion
- Planet Telecom & Technologies, Inc.
- Planetline
- PLDT
- Plessey
- Polkomtel
- Polska Telefonia Cyfrowa
- Portugal Telecom
- Post & Telecommunication Corporation
- Post and Telecommunication Administration of Shanghai
- Posta dhe Tele Kommunikacioni I Kosovës
- Poste aux Kerguelen
- Posti- ja telelaitos
- Posts and Telecommunications Corporation
- Posts and Telecommunications corporation of Ghana
- Póstur og sími
- Power
- Powertel
- PPS Ltd.
- Prime Call
- Primeurcard
- Primus Telecom
- Printel
- Pro XL
- Pronto
- PRT
- PT-1 one Communications
- PT1 Communications, inc
- PT1 Phonetime Inc.
- PTT BIH
- PTT Callshop GmbH
- PTT Genel Müdürlügü
- PTT Nederland
- PTT Slovenija
- PTT Telecom The Netherlands
- PTT Telekom
- PTT Tunesia
- Public Phone
- Publicom
- Publicphone
- Publitel
- Puhelinyhtiot