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