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
Will need account number off statement, the last four digits of primary’s social security and PIN.
Transfer PIN
Ask for the transfer PIN in the same call. Union Wireless issues the account number and the PIN together.
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 on the AT&T 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 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 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 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
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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 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 Union Wireless to verify before you rely on them.
Best Cellular. “Union Wireless Account Number & PIN: Accurate 2026,” BestCellular.com. https://bestcellular.com/union-wireless/
Free to reuse with credit. Licence, sources and the full dataset.
Check Union Wireless before you switch
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Other 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