A1 Hrvatska d.o.o. Sjedište
✓ VerifiedSjedište i uprava telekomunikacijskog operatora A1 Hrvatska d.o.o. u Zagrebu.
Verified Business Directory
Official telephone profiles published after corporate registry and ownership verification.
Verification Policy & Safety Notice:
A "Verified" badge confirms that the listed entity demonstrated legitimate administrative authority over the telephone number via official corporate registry documentation. Verification is an identity confirmation, not an endorsement or safety rating. Caller ID can be spoofed; always confirm sensitive financial requests out-of-band.
Showing all 23 verified businesses.
Standard officiel de l'Autorité de régulation des communications électroniques, des postes et de la distribution de la presse.
AT&T Inc. Corporate Headquarters
✓ VerifiedCorporate headquarters and subscriber governance for AT&T telecommunications network infrastructure.
Official national inquiries and telecom compliance hotline for the Australian Communications and Media Authority.
Bell Canada Enterprises (BCE) Corporate
✓ VerifiedCorporate head office and investor inquiry line for Bell Canada telecommunications infrastructure.
BT Group plc Headquarters
✓ VerifiedBritish Telecommunications corporate headquarters and executive contact line for national network infrastructure.
Bundesnetzagentur (BNetzA)
✓ VerifiedZentrale Rufnummer und Verbraucherservice der Bundesnetzagentur für Telekommunikation und Post.
Official headquarters and regulatory inquiry line for Canadian broadcasting and telecommunications.
Deutsche Telekom AG Zentrale
✓ VerifiedKonzernzentrale und Unternehmenskommunikation der Deutschen Telekom AG in Bonn.
Federal Communications Commission (FCC)
✓ VerifiedOfficial headquarters and regulatory inquiry line for United States communications, broadcast, and telecom oversight.
Federal Trade Commission (FTC)
✓ VerifiedUnited States federal agency consumer protection and identity theft reporting headquarters hotline.
Službeni kontakt i podrška korisnicima Hrvatske regulatorne agencije za mrežne djelatnosti.
Hrvatski Telekom d.d. Sjedište
✓ VerifiedSjedište i centrala vodećeg telekomunikacijskog operatora Hrvatski Telekom d.d. u Zagrebu.
Ofcom Consumer Contact Team
✓ VerifiedOfficial consumer advisory and complaints helpline for the UK communications regulator Ofcom.
Orange SA Siège Social
✓ VerifiedSiège social et standard de direction générale du groupe Orange opérateur de télécommunications.