AB,Aberdeen,Scotland AL,St Albans,England B,Birmingham,England BA,Bath,England BB,Blackburn,England BD,Bradford,England BH,Bournemouth,England BL,Bolton,England BN,Brighton,England BR,Bromley,England BS,Bristol,England BT,Belfast,Northern Ireland CA,Carlisle,England CB,Cambridge,England CF,Cardiff,Wales CH,Chester,England or Wales: see below CM,Chelmsford,England CO,Colchester,England CR,Croydon,England CT,Canterbury,England CV,Coventry,England CW,Crewe,England DA,Dartford,England DD,Dundee,Scotland DE,Derby,England DG,Dumfries and Galloway,Scotland DH,Durham,England DL,Darlington,England DN,Doncaster,England DT,Dorchester,England DY,Dudley,England E,London East,England EC,London East Central,England EH,Edinburgh,Scotland EN,Enfield,England EX,Exeter,England FK,Falkirk,Scotland FY,Blackpool (Fylde),England G,Glasgow,Scotland GL,Gloucester,England GU,Guildford,England GY,Guernsey,Channel Islands HA,Harrow,England HD,Huddersfield,England HG,Harrogate,England HP,Hemel Hempstead,England HR,Hereford,England or Wales: see below HS,"Hebrides (recoding of PA8#) because of unacceptably high level of manual miscodes to PA8, introduced in 1995.",Scotland HU,"Hull, Kingston upon",England HX,Halifax,England IG,Ilford,England IM,Isle of Man,Isle of Man IP,Ipswich,England IV,Inverness,Scotland JE,Jersey,Channel Islands KA,Kilmarnock,Scotland KT,Kingston-upon-Thames,England KW,Kirkwall,Scotland KY,Kirkcaldy,Scotland L,Liverpool,England LA,Lancaster (Lancashire),England LD,Llandridnod Wells,Wales or England: see below LE,Leicester,England LL,Llandudno,Wales or England: see below LN,Lincoln,England LS,Leeds,England LU,Luton,England M,Manchester,England ME,Medway,England MK,Milton Keynes,England ML,Motherwell,Scotland N,London North,England NE,Newcastle-upon-Tyne,England NG,Nottingham,England NN,Northampton,England NP,Newport,Wales or England: see below NR,Norwich,England NW,London North West,England OL,Oldham,England OX,Oxford,England PA,Paisley,Scotland PE,Peterborough,England PH,Perth,Scotland PL,Plymouth,England PO,Portsmouth,England PR,Preston,England RG,Reading,England RH,Redhill,England RM,Romford,England S,Sheffield,England SA,Swansea,Wales SE,London South East,England SG,Stevenage,England SK,Stockport,England SL,Slough,England SM,"Sutton, Surrey",England SN,Swindon,England SO,Southampton,England SP,Salisbury (Salisbury Plain),England SR,Sunderland,England SS,Southend-on-Sea,England ST,Stoke-on-Trent,England SW,London South West,England SY,Shrewsbury,England or Wales: see below TA,Taunton,England TD,Galashiels (Tweed),Scotland or England: see below TF,Telford,England TN,Tonbridge,England TQ,Torquay,England TR,Truro,England TS,Cleveland (Teesside),England TW,Twickenham,England UB,Southall (Uxbridge),England W,London West,England WA,Warrington,England WC,London West Central,England WD,Watford,England WF,Wakefield,England WN,Wigan,England WR,Worcester,England WS,Walsall,England WV,Wolverhampton,England YO,York,England ZE,Lerwick (Shetland),Scotland CH1,"England, except for the Welsh town of Sealand", CH2-CH3,England, CH4,"England, except for the Welsh towns of Bretton, Broughton, Penyffordd, Rhos-y-brwyner, and Saltney" CH5-CH8,Wales CH41-CH49,England CH60-CH63,England HR1-HR2,England HR3,"England, except for the Welsh towns of Bronydd, Clyro, Cwmbach, Glasbury, Hay-on-Wye, Llanigon, and Llowes" HR4,England HR5,"England, except for the Welsh towns of Bryngwyn, Colva, Dolleycanney, Gladestry, Gwaithla, Hengoed, Michaelchurch-on-Arrow, Newchurch, and Veaullt" HR6-HR9,England LD1-LD6,Wales LD7,"Wales, except the English towns of Five Turnings, Llanfair Waterdine, Panputon, Quabbs, and Stowe" LD8,"Wales, except the English towns of Byton, Combe, Combe Moor, Kinsham, Knill, Nash, Rodd, and Stapleton" LL11-LL13,Wales LL14,"Wales, except the English towns of Bronygarth and Gledrid" LL15-LL78,Wales NP1-NP4,Wales NP5,"Wales, except for the English towns of Llanrothal and Welsh Newton" NP7-NP23,Wales NP26,"Wales, except for the English towns of Beachley, Boughspring, Brockweir, Sedbury, Stroat, Tidenham, Tidenham Chase, Tutshill, Wibdon, and Woodcroft" NP44,Wales SY1-SY4,England SY5,"England, except for the Welsh towns of Crewgreen, Criggion, and The Marsh" SY6-SY9,England SY10,"England, except for the Welsh towns of Abertridwr, Alltforgan, Bwlch-y-ddar, Cedig, Cefn-coch, Hirnant, Llangedwyn, Llangynog, Llanrhaeadr-ym-Mochnant, Llansilin, Llanwddyn, Lledrod, Moelfre, Pen-y-bont, Pen-y-bont-fawr, Pencraig, Penisarcwn, Pennant Melangell, Pentre, Pentrefelin, Penygarnedd, Rhiwargor, Rhiwlas, Tan-y-pistyll, Tyn-y-ffridd" SY11-SY12,England SY13,"England, except for the Welsh towns of Arowry, Bettisfield, Bronington, Eglwys Cross, Hanmer, Horseman=92s Green, and The Chequer" SY14,"England, except for the Welsh towns of Higher Wych and Tallarn Green" SY15,"Wales, except for the English towns of Chirbury, Middleton, Pentreheyling, Priestweston, Rorrington, Woodmoor, Wotherton" SY16-20,Wales SY21,"Wales, except for the English town of Marton" SY22,"Wales, except for the English towns of Crosslanes, Maesbrook, Melverley, and Melverley Green" SY23-SY25,Wales TD1-TD11,Scotland TD12,"England, except for the Scottish towns of Birgham, Coldstream, Leitholm, Lennel, Orange Lane, Simprim, and Swintonmill" TD13-TD14,Scotland TD15,"England, except for the Scottish towns of Fishwick, Foulden, Horndean, Hutton, Ladykirk, Lamberton, Mordington, Paxton, and Upsettlington."