T-Mobile UK, originally launched as One2One, discontinued service in February 2015. The provider merged with Orange and now operates under the brand EE.


Voice network: GSM 1800 MHz
Data network: UMTS, HSDPA, HSPA+

T-Mobile UK Customer Service

Mailing Address:
Hatfield Business Park, Hatfield, Hertfordshire, AL10 9BW

Phone Number:
0845 412 5000 (or 150 from your cell)

Helpful Links

Official Website


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