Here is how to get your OTZ Cellular account number and transfer PIN, and what to do with them when you move your number to another carrier.
Account Number
OTZ Cellular states that phone number portability is not supported. This carrier is a subsidiary of OTZ Telephone Cooperative / OTZ Telecom in Alaska.
Transfer PIN
Ask OTZ Cellular for the transfer PIN. There is no default PIN — do not guess one.
Contact Info
Customer Service: 1-888-449-2411
Hours: Monday – Friday: 8AM – 5PM | Saturday: CLOSED | Sunday: CLOSED
What network does OTZ Cellular use?
OTZ Cellular runs on the AT&T network.
OTZ Cellular Porting Instructions
OTZ Cellular states that phone number portability is not supported. This carrier is a subsidiary of OTZ Telephone Cooperative / OTZ Telecom in Alaska. Cannot find your carrier? Browse the full list of US carriers and MVNOs.

Check coverage before you port
OTZ Cellular runs on the AT&T network, so the coverage you get at your address is AT&T coverage. Check it on AT&T’s own coverage map before you start the transfer.
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 OTZ Cellular transfer PIN lookup puts these steps on one screen and texts them to the customer.

Where OTZ Cellular customers usually go next
OTZ Cellular runs on AT&T’s network, so the phone in your hand is already AT&T-compatible. These carriers will take it with no compatibility question.
Cricket WirelessAT&T network, prepaid
H2O WirelessAT&T network, prepaid
Compare every carrierEvery US carrier and MVNO, by network
Some links above are affiliate links. We may earn a commission if you switch through them, at no cost to you. We recommend by network compatibility first, not by what pays most.
Questions about OTZ Cellular
Can I keep my phone number when I leave OTZ Cellular?
Yes. Federal number portability rules let you take a working number to a new carrier. OTZ Cellular cannot refuse the transfer or charge you to release the number.
Should I cancel OTZ Cellular before I port my number out?
No. Cancel first and the number is released, which ends your right to move it. Keep the OTZ Cellular line active until the new carrier confirms the port completed.
How long does a port out from OTZ Cellular take?
A simple wireless transfer usually completes within one business day once the new carrier submits the correct OTZ Cellular account number and transfer PIN.
Does OTZ Cellular run on its own towers?
No. OTZ Cellular is a reseller riding on the AT&T network.
Cite this page
We have not recorded when these port-out details were last confirmed. Call OTZ Cellular to verify before you rely on them.
Best Cellular. “OTZ Cellular Account Number & PIN: Accurate 2026,” BestCellular.com. https://bestcellular.com/otz-cellular/
Free to reuse with credit. Licence, sources and the full dataset.
Check OTZ Cellular before you switch
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Other carriers on the AT&T network
These brands use the same towers as OTZ Cellular. Coverage is the same. Price, data priority when the network is busy, and customer service are not.
See which network every US carrier uses · Open the transfer PIN lookup