Can't use my phone in Northern Montana

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  • Updated 3 years ago
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I am travelling through Montana, US and when I try to call someone my phone displays " Not Registered on Network". It is the middle of winter and I purchased the $40 roaming package but cannot use my phone. The only communication I have is via Wifi at my hotel room. I wish Koodo had Live Chat so I could talk to them now when I need it.
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Ian Scott

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Posted 3 years ago

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Dennis, Mobile Master

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Have you tried rebooting the phone?

Or check to make sure your network is selected Automatic

Note: Im also gonna change the category of this post to a question
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Ian Scott

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Thank you Dennis, Yes I have removed the battery and the SIM card and put them back. The phone was working fine up until I approached northern Montana. This area is covered by Verizon. The network is called Sagebrush.In the last 3 days I have traveled across Michigan, Wisconsin, Minnesota and North Dakota with no cellular problems. Automatic is selected.
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Dennis, Mobile Master

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Then my only guess is that there is no network coverage out there except for Sagebrush and Koodo does not have a roaming agreement with them. Which means you might be out of luck. Do locals have AT&T or Verizon connections?
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Ian Scott

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I used the motel manager's cellphone to make a call and it is Verizon. I read that Sagebrush has an agreement with Verizon. Thanks for all your help. I will drive the next 5 hours to Lethbridge Alberta with the use of my phone. Once back in Canada I will be calling Koodo regarding this. Thanks again.
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Ian Scott

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I meant; without the use of my phone.
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Chad Burr, Mobile Master

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Unfortunately, Koodo doesn't guarantee coverage while roaming. No carrier would as they have no control over the network since they don't own it. Heck they can't even guarantee coverage in all parts of Canada. AT&T and T-Mobile have spotty service, if any, in Montana. And since Verizon is still mostly a CDMA carrier, it wouldn't be likely that Koodo (an HSPA carrier) would have a roaming agreement with an incompatible service provider.

The roaming package you added simply applies prefered rate plans. It doesn't do anything to allow or disallow roaming. Even your device could be a reason you don't get service, if it lacks a frequency that another carrier with a roaming agreement uses in that area, you wont roam. No fault here by Koodo.

Koodo's mostly hooked up with AT&T and T-Mobile, as well as some smaller regional carriers.

Here are coverage map's. For Montana

AT&T:



T-Mobile:


As you can see, a large section of Montana is not covered by either national carrier
(Edited)
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Ian Scott

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Dennis, After travelling west from Malta, Montana about 30 miles, my phone started to work again as your AT&T coverage map shows. Thanks again for your help!
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David, Mobile Master

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Northern Montana, northern Idaho, and Yellowstone can be a problem for roaming, as Koodo may not have a contract with those local carriers. Folks using a Roam Mobility SIM run into the same problem.
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Sophia, Mobile Master

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We traveled through Montana last summer, and in most places there simply is no coverage at all. I used a T-Mobile prepaid SIM and the only place in which I could roam on AT&T (voice & text only, no data) was Missoula.

Montana has not quite been added to the 21st map yet I'm afraid :D

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