01900   Workington
01901
01902   Wolverhampton 1922
01903   Worthing
01904   York
01905   Worcester
01906
01907
01908   Wolverton
01909   Worksop
01910   Tyneside/Durham/Wearside National dialling
01911   Tyneside/Durham/Wearside National dialling
01912   Tyneside
01913   Durham
01914   Tyneside
01915   Wearside
01916   Tyneside
01917   Tyneside/Durham/Wearside Expansion
01918   Tyneside/Durham/Wearside Expansion
01919   Tyneside/Durham/Wearside Expansion
01920   Ware 1438
01921
01922   Walsall 1902
01923   Watford
01924   Wakefield
01925   Warrington
01926   Leamington Spa
01927
01928   Frodsham
01929   Wareham
01930
01931   Shap
01932   Weybridge 1372
01933   Wellingborough
01934   Weston-Super-Mare
01935   Yeovil
01936
01937   Wetherby
01938   Welshpool
01939   Wem
01940
01941
01942   Wigan
01943   Guiseley
01944   West Heslerton
01945   Wisbech
019460  Whitehaven National Dialling
019461  Whitehaven National Dialling
019462  Whitehaven Expansion
019463  Whitehaven Expansion
019464  Whitehaven Expansion
019465  Whitehaven
019466  Whitehaven
019467  Gosforth (Mixed)
019468  Whitehaven
019469  Whitehaven Expansion
01947   Whitby
01948   Whitchurch
01949   Whatton
01950   Sandwick
01951   Colonsay
01952   Wellington
01953   Attleborough
01954   Madingley
01955   Wick
01956
01957   Mid Yell
01958
01959   Westerham 13,221,689
01960   Formerly Ballyclare
01961
01962   Winchester
01963   Templecombe
019640  Hornsea/Patrington National Dialling
019641  Hornsea/Patrington National Dialling
019642  Hornsea/Patrington Expansion
019643  Hornsea/Patrington Expansion
019644  Hornsea/Patrington Expansion
019645  Hornsea
019646  Patrington
019647  Hornsea/Patrington Expansion
019648  Hornsea/Patrington Expansion
019649  Hornsea/Patrington Expansion
01965
01966
01967   Strontian
01968   Penicuik
01969   Leyburn
01970   Aberystwyth
01971   Scourie
01972   Glenborrodale
01973
01974   Llanon
019750  Alford/Strathdon National Dialling
019751  Alford/Strathdon National Dialling
019752  Alford/Strathdon Expansion
019753  Alford/Strathdon Expansion
019754  Alford/Strathdon Expansion
019755  Alford (Aberdeen)
019756  Strathdon
019757  Alford/Strathdon Expansion
019758  Alford/Strathdon Expansion
019759  Alford/Strathdon Expansion
01976
01977   Pontefract
01978   Wrexham
01979
01980   Bulford Camp
01981   Wormbridge
01982   Builth Wells
01983   Ryde
01984   Stogumber
01985   Warminster
01986   Bungay
01987
01988   Wigtown
01989   Ross-on-Wye
01990
01991
01992   Hoddesdon
01993   Witney
01994   St Clears
01995   Garstang
01996
01997   Strathpeffer
01998