| Provider | Customer Service Number |
|---|---|
| GT Mobile | 020-7543033 |
| Vectone | 06-59000222 |
| Delight Mobile | 06-59000200 |
| Lebara Mobile | 0800-0200864 |
| Vodafone | 06-54500100 |
| T-Mobile | 06-24001200 |
| Lyca Mobile | 020-7543030 |
| KPN | 06-12001200 |
| Hi | 06-12001200 |
| Telfort | 08001707 / 09009596 |
| Ortel | 0900-1612000 |
| Ben | 06-24001400 |
| Telesur | 0900-2021914 / 063700120 |
| Toggle | 020-7543022 |
| Tele2 | 0900-2411602 |
