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Telecommunications service providers around Sydney
Sydney has 14 telecommunications service providers in our directory. Most open at 9 AM and close at 5 PM on weekdays. 100% have their own website. On Sunday, 4 businesses are open.
14 businesses Checked October 2026
BBB NetworksTelecommunications engineer · Telecommunications contractorLevel 36, Gateway/1 Macquarie PlMon–Fri 9 AM–5 PMSat–Sun ClosedWebsiteMMacquarie Technology GroupComputer support and services · Computer security serviceLevel 15/2 Market StMon–Fri 9 AM–5 PMSat–Sun ClosedWebsiteRReliance CommunicationsTelecommunications service provider · Telecommunications contractorLevel 26/44 Market StMon–Fri 8:30 AM–5 PMSat–Sun ClosedWebsiteSSynergy Enterprise SolutionsComputer support and services · ConsultantLevel 19/135 King StMon–Fri 8 AM–6 PMSat–Sun ClosedWebsiteUUntangledTelecommunications service provider · Internet marketing serviceLevel 8/60 Pitt StMon 8:30 AM–5:30 PMSun ClosedWebsiteVVectecComputer service · Computer consultantLevel 3/6 Bridge StMon 9 AM–5 PMWebsiteOOfficeHQTelephone answering service · Business to business service1B, Level 16/56 Pitt StThu–Fri Open 24 hoursOfficeHQWebsiteOOptus on GeorgeTelecommunications service provider · Cable company383 George StSun 10 AM–5 PMOptusSunWebsiteVVodafone George StreetTelecommunications service providerShop G2/383 George StMon 10 AM–5:30 PMTue–Fri 9 AM–7 PMVodafoneSunWebsite
SSimPower.com.auTelecommunications service provider703/155 King StSat–Sun Open 24 hoursSunWebsite
Aamaysim Mobile Pty LtdTelecommunications service provider · Telephone companyLevel 6/17-19 Bridge StWebsite
CCircles Life AustraliaTelephone company · Telecommunications contractor383 George StWebsite
TTelstra Sydney Discovery Pitt StTelecommunications service provider197 Pitt Street, Shop L00/62-64 65, MidCityMon 10 AM–5 PMSun 10 AM–5 PMTelstraSunWebsite
OOptus Business Centre Sydney CBDTelecommunications service providerLevel 12/44 Market StOptusWebsite