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The Cellular Back Door
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The Back Door Wireless Insider
Our Catalog of Wireless Inside Information


  • Mountain Wireless Networks: This is the home base of all our affiliated web sites which may help you investigate wireless subjects in even more detail.

  • MVNO: Mobile Virtual Network Operators. These "virtual" networks deal with all your customer-related issues, including providing your SIM and phone, but they use another carrier's network.

  • National Park Cell Sites: Known Cell Sites in National Parks. This list shows their locations based on FCC records.

  • Not Saving Money on a New Plan? Do the Math on your wireless plan to make sure you're getting the best deal.

  • Number Management: Everything you wanted to know about your wireless phone number and how to change it, hide it, or get one where you want it.

  • Roaming? Why You Can't Get Your Voice Mail: Your phone works differently when you're roaming, especially out of the country.

  • Search the Back Door: Can't find the inside information you're looking for?  Let us help you search for it.

  • Secrets List: Our most popular page of secrets you didn't know to look for.

  • Subsidized Wireless Service: There are programs for FREE or discounted cellular service if you receive one of a large number of government-support services.

  • Switch to a New Carrier: Our how-to guide to changing wireless carriers and how to do it right.

  • Voice Mail "Back Door" Numbers: Numbers that give you access to your local cellular voice mail system.

  • Wireless Noise: Our discussion page about secrets, deals and information that we have recently discovered.