| Telecom Operator In United Kingdom | MCC | MNC |
|---|---|---|
| O2 (Telefonica UK Ltd) | 234 | 10 |
| Vectone Mobile (Mundio Mobile Limited) | 234 | 01 |
| 3 (Hutchison 3G UK Ltd) | 234 | 20 |
| T-Mobile UK (Everything Everywhere Limited) | 234 | 30 |
| Orange (Everything Everywhere Limited) | 234 | 33 |
| Vodafone Ltd | 234 | 15 |
| BT | 234 | 00 |
| 24 Seven Communications Ltd | 234 | |
| Cable & Wireless UK | 234 | 07 |
| Coralbridge Ltd | 234 | |
| Swiftnet Ltd | 234 | |
| Telephony Services Limited | 234 | |
| Routo Telecommunications Limited | 234 | 22 |
| HSL (Hay Systems Ltd) | 234 | 14 |
| Truphone (Software Cellular Network Ltd) | 234 | 25 |
| Lycamobile UK Limted | 234 | 26 |
| Oxygen8 Communications UK Limited | 234 | |
| UK Personal Numbers Networks | 234 | |
| Sound Advertising Ltd | 234 | |
| Moonshado Inc | 234 | |
| Lleida.net Serveis Telematics Limited | 234 | 99 |
| UK Landline | 234 |