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A secure, robust and easy to use phone system with zero upfront costs.

Our all-inclusive Hosted PBX comes with over 40 enterprise-level features plus Tierzero's unparalleled customer service and support.

Learn more about Hosted PBX
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Bring your office with you

The Tierzero mobile phone app turns your iPhone or Android device into a fully-featured business phone.

see what else hosted PBX can do
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Dedicated business Internet service

Tierzero has been providing dedicated Internet to businesses since 1997. We offer a variety of bandwidth options and media depending on your needs and what’s available at your location. From T1 to Fiber, Ethernet over Copper and Fixed Wireless; we got you covered.

OUR NO
HASSLE
PROMISE


At Tierzero we focus on one goal – delivering “no hassle” voice and data to Southern California businesses. We insist on making sure every single client is not just satisfied but happy. We know that your expectations are our responsibility.

Tierzero has grown and prospered mostly by word of mouth. Our customers don’t recommend us for empty slogans or mission statements. They do because they know the power of having a vendor that’s got their back.

If you are considering new service or changing your existing service. Give us a call. You'll be glad you did!

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These businesses rely on Tierzero...

... so can yours

People     Tierzero

  • Tierzero is and has been our internet and datacenter provider for the past 14 years. As a technology solution provider we need a dependable partner we can trust for our clients with, tierzero has been a great partner for us and our clients.

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    Ara Aslanian
    Inverse Logic
  • When it comes to infrastructure, our IT team works directly with the TierZero's Network Engineers to resolve issues and plan future build-outs, something not possible with AT&T and Verizon.

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    Michael Bradley
    Beverly Hills Rent-a-Car
  • Tierzero has first-class customer service and customer care, consistent and fast data and voice quality and top-of-the-line phone system with video chat.

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    David Nazarian M.D.
    My Concierge MD
  • Whenever I have to deal with Tierzero, I never feel like I am dealing with a scripted customer service or sales rep. Unlike a lot of communication companies, they can actually communicate.

    Avatar
    John Adler
    Phyllis Morris
  • What I like about Tierzero that I can't get anywhere else is that when I pick up the phone and call them I will probably get someone I know and who knows me. I feel they are personally informed about what services we have from them, they take a personal interest and they understand the importance to us.

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    Buck Little
    Idyllwild Arts Foundation
  • Whenever I have to deal with Tierzero, I never feel like I am dealing with a scripted customer service or sales rep. Unlike a lot of communication companies, they can actually communicate.

    Avatar
    Andrew Rinehart
    Eyeboogie Inc

Focused. Professional. Disruptive.

Tierzero began over 20 years ago as an effort to disrupt the telecommunications industry, so we understand the frustration when it comes to dealing with the big phone companies. We believe it's our job to make the lives of business owners and IT managers less complicated and deliver an eloquent solution that works with the least amount of hassle.

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