Here is how to get your Custer Telephone Cooperative account number and transfer PIN, and what to do with them when you move your number to another carrier.
Account Number
Custer Telephone Cooperative ports numbers in and out. Call customer service for the account information you need to start the transfer. Custer Telephone Cooperative runs off their own towers in Idaho.
Transfer PIN
Ask Custer Telephone Cooperative for the transfer PIN. There is no default PIN — do not guess one.
*#06# for your IMEI.Custer Telephone Cooperative Contact Info
Customer Service: 1-866-879-2281 | 1-208-879-2281 | 1-208-879-2290
Hours: Monday – Friday 8AM – 5PM (MDT)
Custer Telephone Cooperative Porting Instructions
Custer Telephone Cooperative ports numbers in and out. Call customer service for the account information you need to start the transfer.
Custer Telephone Cooperative runs off their own towers in Idaho.
Cannot find your carrier? Browse the full list of US carriers and MVNOs.
Check coverage before you port
We have not confirmed which national network Custer Telephone Cooperative uses, and we do not guess. Ask them before you port, then check that network’s map: Verizon, T-Mobile, AT&T.
Your right to keep the number is federal, not a carrier policy. The rule is the FCC’s: Portability: Keeping Your Phone Number When Changing Service Providers.
Working a counter? The Custer Telephone Cooperative transfer PIN lookup puts these steps on one screen and texts them to the customer.
Where Custer Telephone Cooperative customers usually go next
We have not independently confirmed which network Custer Telephone Cooperative uses, so check your IMEI against the new carrier’s compatible device list before you switch. Dial *#06# to get it.
T-MobileCheck your IMEI first
VerizonCheck your IMEI first
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Questions about Custer Telephone Cooperative
Can I keep my phone number when I leave Custer Telephone Cooperative?
Yes. Federal number portability rules let you take a working number to a new carrier. Custer Telephone Cooperative cannot refuse the transfer or charge you to release the number.
Should I cancel Custer Telephone Cooperative before I port my number out?
No. Cancel first and the number is released, which ends your right to move it. Keep the Custer Telephone Cooperative line active until the new carrier confirms the port completed.
How long does a port out from Custer Telephone Cooperative take?
Wireline and VoIP transfers run longer than wireless. Plan on a few business days once Custer Telephone Cooperative has validated the account number and PIN.
Does Custer Telephone Cooperative run on its own towers?
Not confirmed. Custer Telephone Cooperative has not published which host network carries its traffic.
Cite this page
Port-out details last confirmed with Custer Telephone Cooperative on 30 September 2026.
Best Cellular. “Custer Telephone Cooperative Account & PIN: Accurate 2026,” BestCellular.com. https://bestcellular.com/custer-telephone-cooperative/
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