SHOW MENUNational System Keyings – Extracts TADER to YTHNK
| Keying | Date | Code | Other keying | Place(s) |
|---|---|---|---|---|
| TADER | Original | 26/32 | Tadcaster, North Yorkshire | |
| 1996 (Apr) | 38/26 | LS24 | Tadcaster, North Yorkshire | |
| TADTH | Original | 26/33 | KT20 | Tadworth, Surrey |
| TAIIN | Original | 26/34 | IV19 | Tain, Ross-shire |
| TALAU | Original | 26/35 | LL47 | Talsarnau, Gwynedd |
| TALHT | 1978 | 58/58 | Tallaght, Co.Dublin (Eire) | |
| TALNT | Original | 26/36 | Talybont, Dyfed Talybont, Gwynedd |
|
| TALOW | 1978 | 59/05 | Tallow, Co.Waterford (Eire) | |
| TAMTH | Original | 26/37 | Tamworth, Staffordshire | |
| 1996 (Apr) | 26/37 | B77 | Tamworth, Staffordshire | |
| TARES | Original | 26/42 | L8sc | Tarves, Aberdeenshire |
| TAREY | Original | 26/40 | Tarporley, Cheshire | |
| 1996 (Apr) | 48/39 | CW6 | Tarporley, Cheshire | |
| TARIG | Original | 26/41 | IV46 | Tarskavaig, Isle of Skye |
| TARND | Original | 26/39 | Tarland, Aberdeenshire | |
| TARRT | Original | 26/38 | Tarbert, Argyllshire | |
| 1996 (Apr) | 64/12 | PA29 | Tarbert, Argyllshire | |
| TAUON | Original | 26/43 | TAsc | Taunton, Somerset |
| 1996 (Apr) | 26/43 | TA1 | Taunton, Somerset | |
| TAVCK | Original | 26/44 | Tavistock, Devon | |
| 1996 (Apr) | 43/41 | PL19 | Tavistock, Devon | |
| TAYLT | Original | 26/45 | PA35 | Taynuilt, Argyllshire |
| TAYRT | Original | 26/46 | Tayport, Fife | |
| TEAUE | Original | 26/47 | IV44 | Teangue, Isle of Skye |
| TEDES | Original | 40/60 | Teddington on Thames [Teddington], Middlesex | |
| TEDON | Original | 26/48 | Teddington, Middlesex | |
| 1996 (Apr) | 50/19 | TW10 | Teddington, Middlesex | |
| TEITH | Original | 26/49 | Teignmouth, Devon | |
| 1996 (Apr) | 47/31 | TQ14 | Teignmouth, Devon | |
| TELRD | Original | 44/01 | TFsc | Telford, Shropshire |
| 1996 (Apr) | 44/01 | TF1 | Telford, Shropshire | |
| TEMBE | Original | 26/50 | Templecombe, Somerset | |
| 1996 (Apr) | 53/08 | BA8 | Templecombe, Somerset | |
| TEMRE | 1978 | 59/06 | Templemore, Co.Tipperary (Eire) | |
| TENBY | Original | 26/52 | SA70 | Tenby, Dyfed |
| TENEN | Original | 26/53 | TN30 | Tenterden, Kent |
| TENLS | Original | 26/51 | Tenbury Wells, Worcestershire | |
| 1996 (Apr) | 45/06 | WR15, TENRY | Tenbury Wells, Worcestershire | |
| TENRY | Original | 40/61 | Tenbury [Tenbury Wells], Worcestershire | |
| 1996 (Apr) | 45/06 | WR15, TENLS | Tenbury Wells, Worcestershire | |
| TETRY | Original | 26/54 | Tetbury, Gloucestershire | |
| 1996 (Apr) | 36/33 | GL8 | Tetbury, Gloucestershire | |
| TEWRY | Original | 26/55 | Tewkesbury, Gloucestershire | |
| 1996 (Apr) | 36/45 | GL20 | Tewkesbury, Gloucestershire | |
| THAME | Original | 26/56 | Thame, Oxfordshire | |
| THAON | Original | 26/57 | Thames Ditton, Surrey | |
| 1996 (Apr) | 50/61 | KT7 | Thames Ditton, Surrey | |
| THERD | Original | 26/58 | Thetford, Norfolk | |
| 1978 | 26/58 | Thetford, Norfolk The Ward, Co.Dublin (Eire) |
||
| THISK | Original | 26/59 | Thirsk, North Yorkshire | |
| 1996 (Apr) | 34/19 | YO7 | Thirsk, North Yorkshire | |
| THOLL | Original | 26/60 | Thornhill, Dumfries-shire | |
| 1996 (Apr) | 52/28 | DG3 | Thornhill, Dumfries-shire | |
| THOON | Original | 26/61 | Thornton, Fife | |
| THOTH | Original | 26/62 | Thornton Heath, Surrey | |
| 1989 | 26/62 | CR7 | Thornton Heath, Surrey | |
| THOWN | 1978 | 59/07 | Thomastown, Co.Kilkenny (Eire) | |
| THUES | 1978 | 59/08 | Thurles, Co.Tipperary (Eire) | |
| THUSO | Original | 26/63 | Thurso, Caithness | |
| 1996 (Apr) | 63/58 | KW14 | Thurso, Caithness | |
| TIDTH | Original | 27/05 | SP9 | Tidworth, Hampshire |
| TIGCH | Original | 27/06 | Tighnabruaich, Argyllshire | |
| 1996 (Apr) | 59/27 | PA21 | Tighnabruaich, Argyll | |
| TILKS | Original | 40/62 | Tilbury Docks [Tilbury], Essex | |
| TILRY | Original | 27/07 | Tilbury, Essex Tillicoultry, Clackmannanshire |
|
| TINEL | Original | 27/08 | PL34 | Tintagel, Cornwall |
| TIPON | Original | 27/09 | Tipton, West Midlands | |
| TIPRY | 1978 | 59/09 | Tipperary, Co.Tipperary (Eire) | |
| TIRAN | Original | 27/10 | PA69 | Tiroran, Isle of Mull |
| TIVON | Original | 27/11 | Tiverton, Devon | |
| 1996 (Apr) | 39/10 | EX16 | Tiverton, Devon | |
| TOBRY | Original | 27/12 | PA75 | Tobermory, Isle of Mull |
| TODEN | Original | 27/13 | Todmorden, Lancashire | |
| 1996 (Apr) | 59/63 | OL14 | Todmorden, Lancashire | |
| TOMIN | Original | 27/14 | IV13 | Tomatin, Inverness-shire |
| TONDY | Original | 27/16 | Tonypandy, Mid Glamorgan | |
| 1996 (Apr) | 41/22 | CF40 | Tonypandy, Mid Glamorgan | |
| TONGE | Original | 27/15 | Tonbridge, Kent | |
| 1996 (Apr) | 27/15 | TN10 | Tonbridge, Kent | |
| TOOGE | Original | 27/17 | Toomebridge, Co.Antrim | |
| TORAY | Original | 09/01 | TQsc | Torquay, Devon |
| Original | 27/22 | Torquay, Devon | ||
| 1996 (Apr) | 09/01 | TQ1 | Torquay, Devon | |
| TORNS | Original | 27/20 | Torphins, Aberdeenshire | |
| TORNT | Original | 27/21 | Torpoint, Cornwall | |
| 1996 (Apr) | 27/21 | PL10 | Torpoint, Cornwall | |
| TORON | Original | 27/23 | Torrington, Devon | |
| 1996 (Apr) | 64/36 | EX38 | Torrington, Devon | |
| TORRE | Original | 27/18 | Tore, Ross-shire | |
| TORSK | Original | 27/19 | PA74 | Torloisk, Isle of Mull |
| TOTAY | Original | 27/24 | PO39 | Totland Bay, Isle of Wight |
| TOTES | Original | 27/25 | Totnes, Devon | |
| 1996 (Apr) | 47/26 | TQ9 | Totnes, Devon | |
| TOWER | Original | 27/26 | Towcester, Northamptonshire | |
| 1996 (Apr) | 38/07 | NN12 | Towcester, Northamptonshire | |
| TOWYN | Original | 27/27 | Towyn, Gwynedd | |
| TRACH | Original | 41/60 | Traeth Coch [Red Wharf Bay], Gwynedd | |
| TRAEE | 1978 | 62/05 | Tralee, Co.Kerry (Eire) | |
| TRANG | Original | 41/61 | Trallwng [Welshpool], Powys | |
| TRANT | Original | 27/28 | Tranent, East Lothian | |
| 1996 (Apr) | 27/28 | EH33 | Tranent, East Lothian | |
| TREAR | Original | 27/29 | Tredegar, Gwent | |
| TRECO | Original | 27/34 | TR24 | Tresco, Scilly |
| TREDD | Original | 41/62 | Tredegar Newydd [New Tredegar], Gwent | |
| TREHY | Original | 27/33 | Treorchy, Mid Glamorgan | |
| 1996 (Apr) | 41/58 | CF42 | Treorchy, Mid Glamorgan | |
| TREIS | Original | 27/32 | Treharris, Mid Glamorgan | |
| 1996 (Apr) | 62/35 | CF46 | Treharris, Mid Glamorgan | |
| TREIW | Original | 27/30 | LL27 | Trefriw, Gwynedd |
| TREON | Original | 27/31 | Tregaron, Dyfed | |
| TRETH | Original | 42/05 | Trefdraeth [Newport], Dyfed | |
| TREWY | Original | 42/07 | Trefynwy [Monmouth], Gwent | |
| TREYN | Original | 41/63 | Trefaldwyn [Montgomery], Powys | |
| TRIIM | 1978 | 62/06 | Trim, Co.Meath (Eire) | |
| TRING | Original | 27/36 | HP23 | Tring, Hertfordshire |
| TRION | Original | 27/35 | Trimdon Station, Co.Durham | |
| 1996 (Apr) | 59/61 | TS29 | Trimdon Station, Co.Durham | |
| TROGE | Original | 27/38 | Trowbridge, Wiltshire | |
| 1996 (Apr) | 53/14 | BA14 | Trowbridge, Somerset | |
| TROON | Original | 27/37 | Troon, Ayrshire | |
| TRURO | Original | 27/39 | TRsc | Truro, Cornwall |
| 1996 (Apr) | 27/39 | TR1 | Truro, Cornwall | |
| TUAAM | 1978 | 62/07 | Tuam, Co.Galway (Eire) | |
| TUBRY | 1978 | 62/08 | Tubbercurry, Co.Sligo (Eire) | |
| TULCK | Original | 27/40 | Tullock, Inverness-shire | |
| TULRE | 1978 | 62/09 | Tullamore, Co.Offaly (Eire) | |
| TUNLS | Original | 27/41 | TNsc | Tunbridge Wells, Kent |
| 1996 (Apr) | 27/41 | TN1 | Tunbridge Wells, Kent | |
| TURFF | Original | 27/42 | Turriff, Aberdeenshire | |
| 1990 (Mar) | 27/42 | AB53 | Turriff, Aberdeenshire | |
| TWIAM | Original | 27/43 | TWsc | Twickenham, Middlesex |
| 1996 (Apr) | 27/43 | TW1 | Twickenham, Middlesex | |
| TYCES | Original | 27/44 | LL63 | Tycroes, Gwynedd |
| TYGAF | Original | 42/08 | Ty-Gwyn-ar-Daf [Whitland], Dyfed | |
| TYNAD | Original | 27/45 | Tynehead, Midlothian | |
| TYNGL | Original | 27/46 | LL74 | Tynygongl, Gwynedd |
| TYWYN | Original | 33/43 | LL36 | Tywyn, Gwynedd |
| UCKLD | Original | 27/47 | TN22 | Uckfield, East Sussex |
| UDNNY | Original | 27/48 | Udny, Aberdeenshire | |
| ULBER | Original | 27/49 | KW2 | Ulbster, Caithness |
| ULCBY | Original | 27/50 | Ulceby, South Humberside | |
| 1996 (Apr) | 62/50 | DN39 | Ulceby, South Humberside | |
| ULLOL | Original | 27/51 | IV26 | Ullapool, Ross-shire |
| ULVON | Original | 27/53 | LA12 | Ulverston, Cumbria |
| ULVRY | Original | 27/52 | PA73 | Ulva Ferry, Isle of Mull |
| ULVVA | Original | 41/05 | Ulva [Ulva Ferry], Isle of Mull | |
| UMBGH | Original | 27/54 | Umberleigh, Devon | |
| 1996 (Apr) | 64/35 | EX37 | Umberleigh, Devon | |
| UPMER | Original | 27/55 | Upminster, Essex | |
| 1996 (Apr) | 37/51 | RM14, UPMGE | Upminster, Essex | |
| UPMGE | Original | 41/06 | Upminster Bridge [Upminster], Essex | |
| 1996 (Apr) | 37/51 | RM14, UPMER | Upminster, Essex | |
| UPPAM | Original | 27/57 | Uppingham, Leicestershire | |
| UPPDS | Original | 27/56 | Upperlands, Co.Londonderry | |
| USKSK | Original | 27/58 | Usk, Gwent | |
| UTTER | Original | 27/59 | Uttoxeter, Staffordshire | |
| 1996 (Apr) | 36/24 | ST14 | Uttoxeter, Staffordshire | |
| UXBGE | Original | 27/60 | Uxbridge, Middlesex | |
| 1996 (Apr) | 27/60 | UB8 | Uxbridge, Middlesex | |
| UXBON | Original | 41/07 | Uxbridge Common [Uxbridge], Middlesex | |
| VENOR | Original | 27/61 | PO38 | Ventnor, Isle of Wight |
| VIRER | Original | 27/62 | GU25 | Virginia Water, Surrey |
| VIRIA | 1978 | 62/10 | Virginia, Co.Cavan (Eire) | |
| VIRIE | 1967 | 62/61 | ZE3 | Virkie, Shetlands |
| WADGE | Original | 27/63 | PL27 | Wadebridge, Cornwall |
| WADST | Original | 28/05 | TN5 | Wadhurst, East Sussex |
| WAKLD | Original | 28/06 | WFsc | Wakefield, West Yorkshire |
| 1996 (Apr) | 28/06 | WF1 | Wakefield, West Yorkshire | |
| WALAM | Original | 28/13 | NR22 | Walsingham, Norfolk |
| WALES | Original | 28/15 | Walton on Thames, Surrey | |
| 1996 (Apr) | 62/62 | KT12 | Walton on Thames, Surrey | |
| WALEY | Original | 28/08 | Wallasey, Merseyside Waltham Abbey, Essex |
|
| WALLL | Original | 28/12 | Walsall, Staffordshire | |
| Original | 57/01 | WSsc | Walsall, West Midlands | |
| WALND | Original | 28/11 | Wallsend, Tyne and Wear | |
| 1996 (Apr) | 59/39 | NE28, WALNE | Wallsend [-on-Tyne], Tyne and Wear | |
| WALNE | Original | 41/08 | Wallsend on Tyne [Wallsend], Tyne and Wear | |
| 1996 (Apr) | 59/39 | NE28, WALND | Wallsend [-on-Tyne], Tyne and Wear | |
| WALON | Original | 28/10 | Wallington, Surrey Walton, Essex |
|
| WALRD | Original | 28/09 | OX10 | Wallingford, Oxfordshire |
| WALRN | Original | 28/07 | Walkerburn, Peebles-shire | |
| 1996 (Apr) | 54/56 | EH43 | Walkerburn, Peebles-shire | |
| WALSS | Original | 28/14 | Waltham Cross, Hertfordshire | |
| 1996 (Apr) | 28/14 | EN7 | Waltham Cross, Hertfordshire | |
| WALZE | Original | 28/16 | Walton on the Naze, Essex | |
| 1996 (Apr) | 49/29 | CO13 | Walton on the Naze, Essex | |
| WANGE | Original | 28/17 | OX12 | Wantage, Berkshire |
| WARAM | Original | 28/19 | Wareham, Dorset Warlingham, Surrey |
|
| WARCK | Original | 28/22 | Warwick, Warwickshire | |
| 1996 (Apr) | 28/22 | CV34 | Warwick, Warwickshire | |
| WARER | Original | 28/20 | Warminster, Wiltshire | |
| 1996 (Apr) | 53/12 | BA12 | Warminster, Somerset | |
| WAREY | Original | 33/42 | Warley, West Midlands | |
| 1996 (Apr) | 33/42 | B64 | Warley, West Midlands | |
| WARLE | Original | 40/22 | Wartle, Aberdeenshire | |
| WARON | Original | 28/21 | Warrington, Lancashire | |
| Original | 46/64 | WAsc | Warrington, Lancashire | |
| Original | 60/01 | WAsc | Warrington, Lancashire | |
| 1996 (Apr) | 46/64 | WA1 | Warrington, Lancashire | |
| WARRE | Original | 28/18 | Ware, Hertfordshire | |
| 1996 (Apr) | 28/18 | SG11 | Ware, Hertfordshire | |
| WASON | Original | 28/23 | Washington, Tyne and Wear | |
| 1996 (Apr) | 28/23 | NE37 | Washington, Tyne and Wear | |
| WATET | Original | 28/24 | TA23 | Watchet, Somerset |
| WATLE | 1990 (Feb) | 35/58 | PO7, PO8 | Waterlooville, Hampshire |
| WATRD | Original | 48/01 | WDsc | Watford, Hertfordshire |
| 1978 | 48/01 | Watford, Hertfordshire Waterford, Co.Waterford (Eire) |
||
| WEDRE | Original | 28/25 | Wedmore, Somerset | |
| 1996 (Apr) | 50/12 | BS28 | Wedmore, Somerset | |
| WEDRY | Original | 28/26 | Wednesbury, West Midlands | |
| 1996 (Apr) | 45/16 | WS10 | Wednesbury, West Midlands | |
| WELEA | Original | 28/30 | Wells next the Sea, Norfolk | |
| 1996 (Apr) | 48/02 | NR23 | Wells next the Sea, Norfolk | |
| WELGH | Original | 28/28 | Wellingborough, Northamptonshire | |
| 1996 (Apr) | 28/28 | NN8 | Wellingborough, Northamptonshire | |
| WELLS | Original | 28/31 | Wells, Norfolk Wells, Somerset |
|
| WELNG | Original | 28/27 | Welling, Kent | |
| 1996 (Apr) | 50/52 | DA16 | Welling, Kent | |
| WELOL | Original | 28/32 | Welshpool, Powys | |
| 1996 (Apr) | 45/59 | SY21 | Welshpool, Powys | |
| WELON | Original | 28/29 | Wellington, Somerset [to 1972] Wellington, Shropshire |
|
| 1972 | 28/29 | Wellington, Somerset | ||
| 1996 (Apr) | 29/04 | TA21 | Wellington, Somerset | |
| WELTY | Original | 28/34 | Welwyn Garden City, Hertfordshire | |
| 1996 (Apr) | 28/34 | AL7 | Welwyn Garden City, Hertfordshire | |
| WELYN | Original | 28/33 | AL6 | Welwyn, Hertfordshire |
| WEMAY | Original | 28/35 | Wemyss Bay, Renfrewshire | |
| 1996 (Apr) | 59/24 | PA18 | Wemyss Bay, Renfrewshire | |
| WEMEY | Original | 32/12 | Wembley, Middlesex | |
| 1996 (Apr) | 32/12 | HA0 | Wembley, Middlesex | |
| WEMRK | Original | 41/11 | Wembley Park [Wembley], Middlesex | |
| WESAM | Original | 28/42 | Westerham, Kent West Wickham, Kent |
|
| WESCH | Original | 28/36 | West Bromwich, West Midlands | |
| 1996 (Apr) | 28/36 | B70 | West Bromwich, West Midlands | |
| WESDE | Original | 28/44 | West Kilbride, Ayrshire | |
| 1996 (Apr) | 52/19 | KA23 | West Kilbride, Ayrshire | |
| WESEA | Original | 28/40 | Westcliff on Sea, Essex Westgate on Sea, Kent |
|
| WESEN | Original | 28/38 | Westbury-on-Severn, Gloucestershire | |
| WESER | Original | 28/39 | West Calder, Midlothian | |
| 1996 (Apr) | 55/07 | EH55 | West Calder, Midlothian | |
| WESEY | Original | 39/48 | West Molesey [East Molesey], Surrey | |
| WESFF | Original | 41/15 | Westcliff [Westcliff on Sea], Essex | |
| 1996 (Apr) | 43/63 | SS0 | Westcliff (on Sea), Essex | |
| WESNG | 1990 (Feb) | 63/57 | ME19 | West Malling, Kent |
| WESOL | Original | 28/43 | West Hartlepool, Co.Durham | |
| WESON | Original | 28/41 | West Drayton, Middlesex West Linton, Peebles-shire Weston (-super-Mare), Somerset (Alternative) |
|
| WESRE | Original | 28/45 | Weston-super-Mare, Somerset | |
| 1996 (Apr) | 28/45 | BS22 | Weston-super-Mare, Somerset | |
| WESRN | 1996 (Apr) | 53/13 | BA13 | Westbury, Somerset |
| WESRT | 19XX | 10/54 | Westport, Co.Mayo (Eire) | |
| WESRY | Original | 28/37 | Westbury, Wiltshire Westbury [Westbury-on-Severn], Gloucestershire (False) |
|
| WESTE | Original | 41/16 | Westgate [Westgate on Sea], Kent | |
| 1996 (Apr) | 35/64 | CT8 | Westgate on Sea, Kent | |
| WETBY | Original | 28/46 | Wetherby, West Yorkshire | |
| 1996 (Apr) | 28/46 | LS22 | Wetherby, West Yorkshire | |
| WEXRD | 1978 | 13/19 | Wexford, Co.Wexford (Eire) | |
| WEYGE | Original | 28/47 | Weybridge, Surrey | |
| 1996 (Apr) | 62/63 | KT13 | Weybridge, Surrey | |
| WEYTH | Original | 28/48 | Weymouth, Dorset | |
| 1996 (Apr) | 28/48 | DT3 | Weymouth, Dorset | |
| WHIAD | Original | 28/53 | Whitehead, Co.Antrim | |
| WHIAY | Original | 28/55 | Whitley Bay, Tyne and Wear | |
| 1996 (Apr) | 28/55 | NE25 | Whitley Bay, Northumberland | |
| WHIBY | Original | 28/49 | Whitby, North Yorkshire | |
| 1996 (Apr) | 28/49 | YO21 | Whitby, North Yorkshire | |
| WHICH | Original | 28/50 | Whitchurch, Hampshire Whitchurch, Shropshire |
|
| WHIEN | Original | 28/52 | CA28 | Whitehaven, Cumbria |
| WHILE | Original | 28/56 | CT5 | Whitstable, Kent |
| WHIND | Original | 28/54 | SA34 | Whitland, Dyfed |
| WHINS | Original | 28/51 | Whitecairns, Aberdeenshire | |
| WHYFE | Original | 28/57 | Whyteleafe, Surrey | |
| WICCK | Original | 28/58 | KW1, KWsc | Wick, Caithness |
| WICOW | 1978 | 14/20 | Wicklow, Co.Wicklow (Eire) | |
| WICRD | Original | 28/59 | Wickford, Essex | |
| 1996 (Apr) | 28/59 | SS11 | Wickford, Essex | |
| WIDES | Original | 28/60 | Widnes, Cheshire | |
| 1996 (Apr) | 51/16 | WA8 | Widnes, Cheshire | |
| WIGAN | Original | 28/61 | WNsc | Wigan, Lancashire |
| 1996 (Apr) | 28/61 | WN1 | Wigan, Lancashire | |
| WIGON | Original | 28/62 | Wigton, Cumbria | |
| WIGWN | Original | 28/63 | Wigtown, Wigtownshire | |
| WILLL | Original | 29/05 | Willenhall, West Midlands | |
| 1996 (Apr) | 29/05 | WV12 | Willenhall, West Midlands | |
| WILOW | Original | 29/06 | Wilmslow, Cheshire | |
| WIMER | Original | 41/18 | Wimbourne Minster [Wimbourne], Dorset | |
| 1996 (Apr) | 37/12 | BH21 | Wimborne [Minster], Dorset | |
| WIMNE | Original | 29/07 | Wimborne, Dorset | |
| 1996 (Apr) | 37/13 | BH22 | Wimborne, Dorset | |
| WINAM | Original | 29/13 | GU20 | Windlesham, Surrey |
| WINBE | Original | 29/16 | Winscombe, Somerset | |
| 1996 (Apr) | 50/09 | BS25 | Winscombe, Somerset | |
| WINEA | Original | 29/10 | TN36 | Winchelsea, East Sussex |
| WINER | Original | 29/11 | Winchester, Hampshire | |
| 1996 (Apr) | 29/11 | SO21 | Winchester, Hampshire | |
| WINGH | Original | 29/09 | Winkleigh, Devon [to 1977] Winchburgh, West Lothian |
|
| 1977 | 29/09 | Winkleigh, Devon | ||
| 1996 (Apr) | 39/13 | EX19 | Winkleigh, Devon | |
| WINON | Original | 29/08 | Wincanton, Somerset | |
| 1996 (Apr) | 53/09 | BA9 | Wincanton, Somerset | |
| WINOR | Original | 29/14 | Windsor, Berkshire | |
| 1996 (Apr) | 47/35 | SL4 | Windsor, Berkshire | |
| WINRD | Original | 29/17 | Winsford, Cheshire | |
| 1996 (Apr) | 48/40 | CW7 | Winsford, Cheshire | |
| WINRE | Original | 29/12 | LA23 | Windermere, Cumbria |
| WINTE | Original | 29/15 | Wingate, Co.Durham | |
| 1996 (Apr) | 59/60 | TS28 | Wingate, Co.Durham | |
| WIRAL | Original | 29/18 | Wirral, Merseyside | |
| 1996 (Apr) | 29/18 | L46 | Wirral, Merseyside | |
| WISAW | Original | 29/21 | Wishaw, Lanarkshire | |
| 1996 (Apr) | 49/33 | ML2 | Wishaw, Lanarkshire | |
| WISCH | Original | 29/20 | Wisbech, Cambridgeshire | |
| 1996 (Apr) | 29/20 | PE13 | Wisbech, Cambridgeshire | |
| WITAM | Original | 29/22 | Witham, Essex | |
| 1996 (Apr) | 48/31 | CM8 | Witham, Essex | |
| WITEA | Original | 29/23 | Withernsea, North Humberside | |
| 1996 (Apr) | 42/47 | HU19 | Withernsea, North Humberside | |
| WITEY | Original | 29/24 | Witney, Oxfordshire | |
| 1996 (Apr) | 37/24 | OX8 | Witney, Oxfordshire | |
| WOKAM | Original | 29/26 | Wokingham, Berkshire | |
| 1996 (Apr) | 29/26 | RG40 | Wokingham, Berkshire | |
| WOKNG | Original | 29/25 | Woking, Surrey | |
| 1996 (Apr) | 29/25 | GU21 | Woking, Surrey | |
| WOLON | Original | 29/27 | Wolverhampton, West Midlands [to 1973] Wolverton, Buckinghamshire |
|
| 1973? | 29/27 | WVsc | Wolverhampton, West Midlands | |
| 1996 (Apr) | 29/27 | WV1 | Wolverhampton, West Midlands | |
| WOOBE | Original | 29/31 | Woolacombe, Devon | |
| WOOEN | Original | 29/29 | IG8 | Woodford Green, Essex |
| WOOER | Original | 29/32 | NE71 | Wooler, Northumberland |
| WOOGE | Original | 29/28 | Woodbridge, Suffolk | |
| 1996 (Apr) | 29/28 | IP12 | Woodbridge, Suffolk | |
| WOOPA | Original | 29/30 | Woodhall Spa, Lincolnshire | |
| 1996 (Apr) | 56/32 | LN10 | Woodhall Spa, Lincolnshire | |
| WORER | Original | 29/33 | Worcester, Worcestershire | |
| Original | 56/01 | WRsc | Worcester, Worcestershire | |
| 1996 (Apr) | 56/01 | WR1 | Worcester, Worcestershire | |
| WORNG | Original | 29/37 | Worthing, West Sussex | |
| 1996 (Apr) | 29/37 | BN11 | Worthing, West Sussex | |
| WORON | Original | 29/35 | Workington, Cumbria | |
| 1996 (Apr) | 27/22 | CA14 | Workington, Cumbria | |
| WOROP | Original | 29/36 | Worksop, Nottinghamshire | |
| 1996 (Apr) | 29/36 | S80 | Worksop, Nottinghamshire | |
| WORRK | Original | 29/34 | Worcester Park, Surrey | |
| 1996 (Apr) | 50/59 | KT4 | Worcester Park, Surrey | |
| WOTGE | Original | 29/38 | Wotton under Edge, Gloucestershire | |
| 1996 (Apr) | 36/37 | GL12 | Wotton under Edge, Gloucestershire | |
| WREAM | Original | 29/39 | Wrexham, Clwyd | |
| 1996 (Apr) | 29/39 | LL11 | Wrexham, Clwyd | |
| WYCBE | Original | 40/08 | Wycombe [High Wycombe], Buckinghamshire | |
| WYDUG | Original | 42/09 | Wyddgrug [Mold], Clwyd | |
| WYLAM | Original | 29/40 | Wylam, Northumberland | |
| 1996 (Apr) | 59/50 | NE41 | Wylam, Northumberland | |
| WYMAM | Original | 29/41 | NR18 | Wymondham, Norfolk |
| YARES | Original | 41/19 | Yarm on Tees [Yarm], North Yorkshire | |
| 1996 (Apr) | 46/50 | TS15, YARRM | Yarm on Tees, North Yorkshire | |
| YARRM | Original | 29/42 | Yarm, North Yorkshire | |
| 1996 (Apr) | 46/50 | TS15, YARES | Yarm on Tees, North Yorkshire | |
| YARTH | Original | 29/43 | Yarmouth, Isle of Wight (Great) Yarmouth, Norfolk (False) |
|
| YBARI | Original | 42/10 | Y Barri [Barry], South Glamorgan | |
| YBECH | Original | 42/11 | Y Benllech [Benllech], Gwynedd | |
| YBEMO | Original | 42/12 | Y Bermo [Barmouth], Gwynedd | |
| YBOEN | Original | 42/13 | Y Bont Faen [Cowbridge], South Glamorgan | |
| YELON | Original | 29/44 | Yelverton, Devon | |
| 1996 (Apr) | 43/42 | PL20 | Yelverton, Devon | |
| YEOIL | Original | 29/45 | Yeovil, Somerset | |
| 1996 (Apr) | 29/45 | BA20 | Yeovil, Somerset | |
| YFELI | Original | 42/14 | Y Felinheli [Port Dinorwic], Gwynedd | |
| YFENI | Original | 42/15 | Y Fenni [Abergavenny], Gwent | |
| YFROG | Original | 42/16 | Y Friog [Fairbourne], Gwynedd | |
| YGLOG | Original | 42/17 | Y Glog [Glogue], Dyfed | |
| YORRK | Original | 49/01 | YOsc | York, North Yorkshire |
| 1996 (Apr) | 49/01 | YO1 | York, North Yorkshire | |
| YOUAL | 1978 | 14/22 | Youghal, Co.Cork (Eire) | |
| YRWUG | Original | 42/18 | Yr Wyddgrug [Mold], Clwyd | |
| YSTIG | Original | 29/46 | Ystrad Meurig, Dyfed | |
| YTHNK | Original | 29/47 | Ythanbank, Aberdeenshire |
