This page contains information about which telephone companies the various 03708 numbers are allocated to.
| First Digits | Status | Communications Provider | Change |
|---|---|---|---|
| 0370 800 | Allocated | Wavecrest (UK) Ltd | 07/2007 |
| 0370 801 | Allocated | Wavecrest (UK) Ltd | 07/2007 |
| 0370 802 | Allocated | Supreme Connect Limited | 12/2011 |
| 0370 803 | Allocated | Nexus Telecommunications Limited | 07/2007 |
| 0370 804 | Allocated | Affiniti Integrated Solutions Ltd | 02/2009 |
| 0370 805 | Allocated | Nexus Telecommunications Limited | 07/2007 |
| 0370 806 | Protected | - | - |
| 0370 807 | Protected | - | - |
| 0370 808 | Allocated | Invomo Ltd | 10/2007 |
| 0370 809 | Protected | - | - |
| 0370 810 | Protected | - | - |
| 0370 811 | Allocated | Syntec Limited | 06/2007 |
| 0370 812 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 813 | Protected | - | - |
| 0370 814 | Allocated | Vodafone Ltd (Thus) | 06/2007 |
| 0370 815 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 816 | Protected | - | - |
| 0370 817 | Protected | - | - |
| 0370 818 | Allocated | COLT Technology Services | 04/2007 |
| 0370 819 | Allocated | Teledesign Ltd | 08/2008 |
| 0370 820 | Protected | - | - |
| 0370 821 | Allocated | Served Up Limited. | 10/2008 |
| 0370 822 | Allocated | Teledesign Ltd | 08/2008 |
| 0370 823 | Allocated | Telecoms World Direct Ltd | 11/2008 |
| 0370 824 | Protected | - | - |
| 0370 825 | Allocated | Barritel Limited | 04/2007 |
| 0370 826 | Protected | - | - |
| 0370 827 | Allocated | Invomo Ltd | 10/2007 |
| 0370 828 | Allocated | Radius Communications Limited | 04/2014 |
| 0370 829 | Allocated | Nodemax Limited | 07/2008 |
| 0370 830 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 831 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 832 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 833 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 834 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 835 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 836 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 837 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 838 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 839 | Allocated | Affiniti Integrated Solutions Ltd | 05/2007 |
| 0370 840 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 841 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 842 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 843 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 844 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 845 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 846 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 847 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 848 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 849 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 850 | Allocated | BT | 04/2007 |
| 0370 851 | Allocated | BT | 04/2007 |
| 0370 852 | Protected | - | - |
| 0370 853 | Allocated | Virgin Media Wholesale Limited | 10/2009 |
| 0370 854 | Protected | - | - |
| 0370 855 | Allocated | Vodafone Ltd (Thus) | 06/2007 |
| 0370 856 | Protected | - | - |
| 0370 857 | Protected | - | - |
| 0370 858 | Protected | - | - |
| 0370 859 | Protected | - | - |
| 0370 860 | Allocated | Vodafone Ltd (C&W) | 05/2012 |
| 0370 861 | Protected | - | - |
| 0370 862 | Protected | - | - |
| 0370 863 | Allocated | Gamma Telecom Holdings Ltd | 02/2008 |
| 0370 864 | Allocated | Gamma Telecom Holdings Ltd | 02/2008 |
| 0370 865 | Protected | - | - |
| 0370 866 | Allocated | FleXtel Limited | 04/2007 |
| 0370 867 | Protected | - | - |
| 0370 868 | Protected | - | - |
| 0370 869 | Allocated | Virgin Media Limited | 07/2008 |
| 0370 870 | Allocated | Verizon UK Ltd | 04/2007 |
| 0370 871 | Allocated | Verizon UK Ltd | 04/2007 |
| 0370 872 | Allocated | Verizon UK Ltd | 04/2007 |
| 0370 873 | Allocated | Verizon UK Ltd | 04/2007 |
| 0370 874 | Allocated | FleXtel Limited | 04/2007 |
| 0370 875 | Allocated | Magrathea Telecommunications Limited | 02/2012 |
| 0370 876 | Allocated | Eircom UK Ltd | 06/2007 |
| 0370 877 | Protected | - | - |
| 0370 878 | Allocated | Cheers International Sales Limited | 08/2014 |
| 0370 879 | Allocated | FleXtel Limited | 04/2007 |
| 0370 880 | Allocated | Vodafone Ltd (C&W) | 05/2009 |
| 0370 881 | Allocated | TalkTalk Communications Limited | 07/2008 |
| 0370 882 | Protected | - | - |
| 0370 883 | Protected | - | - |
| 0370 884 | Protected | - | - |
| 0370 885 | Protected | - | - |
| 0370 886 | Protected | - | - |
| 0370 887 | Allocated | Virgin Media Wholesale Limited | 10/2009 |
| 0370 888 | Allocated | Virgin Media Wholesale Limited | 10/2009 |
| 0370 889 | Allocated | Virgin Media Wholesale Limited | 10/2009 |
| 0370 890 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 891 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 892 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 893 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 894 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 895 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 896 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 897 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 898 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |
| 0370 899 | Allocated | Six Degrees Unified Comms Limited | 07/2009 |