01800
01801
01802
01803 Torquay
01804
01805 Torrington
01806 Voe
01807 Ballindalloch
01808 Tomatin
01809 Tomdoun
01820
018206
01821 Coupar Angus 1828
01822 Tavistock
01823 Taunton
01824 Ruthin
01825 Uckfield
01827 Tamworth
01828 Coupar Angus 1821
01829 Tarporley
01830 Kirkwhelpington
01832 Clopton
01833 Barnard Castle
01834 Narberth
01835 St Boswells
01837 Okehampton
01838 Dalmally
01840 Camelford
01841 Newquay
01842 Thetford
01843 Thanet
01844 Thame
01845 Thirsk
01846
018470 Thurso/Tongue National Dialling
018471 Thurso/Tongue National Dialling
018472 Thurso/Tongue Expansion
018473 Thurso/Tongue Expansion
018474 Thurso/Tongue Expansion
018475 Thurso/Tongue Expansion
018476 Tongue
018477 Thurso/Tongue Expansion
018478 Thurso
018479 Thurso/Tongue Expansion
01848 Thornhill
01849
018510 Great Bernera/Stornoway National Dialling
018511 Great Bernera/Stornoway National Dialling
018512 Great Bernera/Stornoway Expansion
018513 Great Bernera/Stornoway Expansion
018514 Great Bernera/Stornoway Expansion
018515 Great Bernera/Stornoway Expansion
018516 Great Bernera
018517 Stornoway
018518 Stornoway
018519 Great Bernera/Stornoway Expansion
01852 Kilmelford
01854 Ullapool
01855 Ballachulish
01856 Kirkwall
01857 Sanday
01858 Market Harborough
01859 Harris
01862 Tain
01863 Ardgay
01864 Abington
01865 Oxford
01866 Kilchrenan
01869 Bicester
01870 Benbecula
01871 Castlebay
01872 Truro
01873 Abergavenny
01874 Brecon
01875 Tranent
01876 Lochmaddy
01877 Trossachs
01878 Lohboisdale
01879 Scarinish
01880 Tarbert
01882 Kinloch Rannoch
01883 Caterham 1737
01884 Tiverton
01885 Bromyard 1886
01886 Bromyard 1885
01887 Aberfeldy
01888 Turriff
01889 Dapple Heath
018900 Coldstream/Ayton National Dialling
018901 Coldstream/Ayton National Dialling
018902 Coldstream
018903 Coldstream
018904 Coldstream/Ayton Expansion
018905 Coldstream/Ayton Expansion
018906 Coldstream/Ayton Expansion
018907 Ayton
018908 Coldstream
018909 Coldstream/Ayton Expansion
01892 Tunbridge Wells
01895 Uxbridge 17,531,784
01896 Galashiels
01899 Biggar