Here is how to get your Union Wireless account number and transfer PIN, and what to do with them when you move your number to another carrier.
Account Number
Text ACCT to 888-926-2273 to get your Union Wireless account number. You can also call Customer Care at 888-926-CARE (2273) or email CustServ@UnionWireless.com. Give the number to your new carrier.
Transfer PIN
Union Wireless does not publish a port-out PIN process on its site. US Mobile’s carrier list says to call 307-782-6131 for the account number and PIN. You can also call Customer Care at 888-926-2273. No PIN length or expiry is published.
Union Wireless Contact Info
Customer Service: 1-888-926-2273
Hours: Monday – Friday: 8:00AM – 7:00PM | Saturday: 10:00AM – 7:00PM | Sunday: Closed (MST)
What network does Union Wireless use?
Union Wireless runs its own network.
Union Wireless Porting Instructions
When porting from a Union Wireless contract, there is a prorated cost. You can view but not edit primary account information online but must call customer care to make changes. Will need account number off statement, the last four digits of primary’s social security and PIN. For Corporate accounts call: 1-866-686-3231
Union Wireless is a contract company.
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Check coverage before you port
Union Wireless runs its own network, so check Union Wireless’s own coverage map for your address 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 Union Wireless transfer PIN lookup puts these steps on one screen and texts them to the customer.
Union Wireless is operated by Union Tel. Co.
Union Wireless is operated by Union Tel. Co. of Wyoming, which has filed with the FCC under the same registration since 1997 — 29 years. The support line on file with the FCC, 1-888-926-2273, matches the number published above. Checked September 22, 2026 against the FCC Form 499 filer database.

Where Union Wireless customers usually go next
Union Wireless runs its own network, so check your phone’s IMEI with the carrier you are moving to before you switch. These carriers will take it with no compatibility question.
Cricket WirelessAT&T network, prepaid
H2O WirelessAT&T network, prepaid
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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 Union Wireless
Can I keep my phone number when I leave Union Wireless?
Yes. Federal number portability rules let you take a working number to a new carrier. Union Wireless cannot refuse the transfer or charge you to release the number.
Should I cancel Union Wireless before I port my number out?
No. Cancel first and the number is released, which ends your right to move it. Keep the Union Wireless line active until the new carrier confirms the port completed.
How long does a port out from Union Wireless take?
A simple wireless transfer usually completes within one business day once the new carrier submits the correct Union Wireless account number and transfer PIN.
Does Union Wireless run on its own towers?
No. Union Wireless runs its own network.
Cite this page
Sources
BestCellular.com is an independent reference, not a carrier. Union Wireless does not publish these steps on a page we could read, so the steps above come from the secondary sources below. Confirm them with Union Wireless before you start. Checked October 13, 2026.
- Union Wireless: FAQs
- Union Wireless: Contact Us
- Union Wireless: Home page
- US Mobile: Carrier porting info (listed as Union Cellular)
Carriers change port-out steps without notice. Confirm with Union Wireless before you start a transfer, and tell us if anything here has changed.
Best Cellular. “Union Wireless Account Number & PIN: Accurate 2026,” BestCellular.com. https://bestcellular.com/union-wireless/
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Carriers on the AT&T network
These brands use the same towers as Union Wireless. 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