Chemical, Oil & Gas Telephone Code Index
- 001 - Unknown
- 0113 - Leeds
- 0114 - Sheffield
- 01142
- 0115 - Nottingham
- 0116 - Leicester
- 0117 - Bristol
- 0118 - Reading
- 01189
- 01200 - Clitheroe
- 01202 - Bournemouth
- 01204 - Bolton
- 01205 - Boston
- 01206 - Colchester
- 01207 - Consett
- 01209 - Redruth
- 0121 - Birmingham
- 01223 - Cambridge
- 01224 - Aberdeen
- 01225 - Bath
- 01226 - Barnsley
- 01227 - Canterbury
- 01228 - Carlisle
- 01229 - Barrow-in-Furness
- 01233 - Ashford
- 01234 - Bedford
- 01235 - Abingdon
- 01236 - Coatbridge
- 01237 - Bideford
- 01239 - Cardigan
- 01241 - Arbroath
- 01242 - Cheltenham
- 01243 - Chichester
- 01244 - Chester
- 01245 - Chelmsford
- 01246 - Chesterfield
- 01248 - Bangor (Gwynedd)
- 01249 - Chippenham
- 01252 - Aldershot
- 01253 - Blackpool
- 01254 - Blackburn
- 01255 - Clacton-on-Sea
- 01256 - Basingstoke
- 01257 - Coppull
- 01258 - Blandford
- 01259 - Alloa
- 01260 - Congleton
- 01262 - Bridlington
- 01263 - Cromer
- 01264 - Andover
- 01267 - Carmarthen
- 01268 - Basildon
- 01269 - Ammanford
- 01270 - Crewe
- 01271 - Barnstaple
- 01273 - Brighton
- 01274 - Bradford
- 01275 - Clevedon
- 01276 - Camberley
- 01277 - Brentwood
- 01278 - Bridgwater
- 01279 - Bishops Stortford
- 01280 - Buckingham
- 01282 - Burnley
- 01283 - Burton-on-Trent
- 01284 - Bury-St-Edmunds
- 01285 - Cirencester
- 01286 - Caernarvon
- 01287 - Guisborough
- 01290 - Cumnock
- 01291 - Chepstow
- 01292 - Ayr
- 01293 - Crawley
- 01294 - Ardrossan
- 01295 - Banbury
- 01296 - Aylesbury
- 01297 - Axminster
- 01298 - Buxton
- 01299 - Bewdley
- 01300 - Cerne Abbas
- 01302 - Doncaster
- 01303 - Folkestone
- 01305 - Dorchester
- 01306 - Dorking
- 0131 - Edinburgh
- 01320 - Fort Augustus
- 01322 - Dartford
- 01323 - Eastbourne
- 01324 - Falkirk
- 01325 - Darlington
- 01326 - Falmouth
- 01327 - Daventry
- 01329 - Fareham
- 01330 - Banchory
- 01332 - Derby
- 01333 - Peat Inn
- 01334 - St Andrews
- 01335 - Ashbourne
- 01337 - Ladybank
- 01339 - Aboyne, Ballater
- 01341 - Barmouth
- 01342 - East Grinstead
- 01344 - Bracknell
- 01346 - Fraserburgh
- 01349 - Dingwall
- 01352 - Mold
- 01353 - Ely
- 01354 - Chatteris
- 01355 - East Kilbride
- 01358 - Ellon
- 01359 - Pakenham
- 01360 - Killearn
- 01362 - Dereham
- 01366 - Downham Market
- 01367 - Faringdon
- 01371 - Great Dunmow
- 01372 - Esher
- 01373 - Frome
- 01375 - Grays Thurrock
- 01376 - Braintree
- 01377 - Driffield
- 01379 - Diss
- 01382 - Dundee
- 01383 - Dunfermline
- 01384 - Dudley
- 01386 - Evesham
- 01388 - Bishop Auckland
- 01392 - Exeter
- 01394 - Felixstowe
- 01395 - Budleigh Salterton
- 01398 - Dulverton
- 01400 - Honington
- 01403 - Horsham
- 01404 - Honiton
- 01405 - Goole
- 01407 - Holyhead
- 0141 - Glasgow
- 01420 - Alton
- 01422 - Halifax
- 01423 - Harrogate/Boroughbridge
- 01424 - Hastings
- 01425 - Ringwood
- 01427 - Gainsborough
- 01428 - Haslemere
- 01429 - Hartlepool
- 01430 - North Cave/Market Weighton
- 01432 - Hereford
- 01433 - Hathersage
- 01434 - Bellingham/Haltwhistle/Hexham
- 01436 - Helensburgh
- 01438 - Stevenage
- 01440 - Haverhill
- 01442 - Hemel Hempstead
- 01443 - Pontypridd
- 01444 - Haywards Heath
- 01446 - Barry
- 01449 - Stowmarket
- 01452 - Gloucester
- 01453 - Dursley
- 01454 - Chipping Sodbury
- 01455 - Hinckley
- 01457 - Glossop
- 01458 - Glastonbury
- 01461 - Gretna
- 01462 - Hitchin
- 01463 - Inverness
- 01464 - Insch
- 01467 - Inverurie
- 01469 - Killingholme
- 01472 - Grimsby
- 01473 - Ipswich
- 01474 - Gravesend
- 01475 - Greenock
- 01476 - Grantham
- 01479 - Grantown-on-Spey
- 01480 - Huntingdon
- 01482 - Hull
- 01483 - Guildford
- 01484 - Huddersfield
- 01485 - Hunstanton
- 01487 - Warboys
- 01488 - Hungerford
- 01489 - Bishops Waltham
- 01491 - Henley on Thames
- 01492 - Colwyn Bay
- 01493 - Great Yarmouth
- 01494 - High Wycombe
- 01495 - Pontypool
- 01501 - Harthill
- 01502 - Lowestoft
- 01505 - Johnstone
- 01506 - Bathgate
- 01507 - Spilsby
- 01508 - Brooke
- 01509 - Loughborough
- 0151 - Liverpool
- 01515
- 01516
- 01522 - Lincoln
- 01524 - Hornby/Lancaster
- 01525 - Leighton Buzzard
- 01526 - Martin
- 01527 - Redditch
- 01529 - Sleaford
- 01530 - Coalville
- 01531 - Ledbury
- 01535 - Keighley
- 01536 - Kettering
- 01538 - Ipstones
- 01539 - Kendal/Hawkshead/Grange over Sands/Sedbergh
- 01543 - Cannock
- 01553 - Kings Lynn
- 01554 - Llanelli
- 01555 - Lanark
- 01561 - Laurencekirk
- 01562 - Kidderminster
- 01563 - Kilmarnock
- 01564 - Lapworth
- 01565 - Knutsford
- 01568 - Leominster
- 01569 - Stonehaven
- 01573 - Kelso
- 01577 - Kinross
- 01582 - Luton
- 01584 - Ludlow
- 01590 - Lymington
- 01592 - Kirkcaldy
- 01594 - Lydney
- 01595 - Foula & Fair Isle
- 01600 - Monmouth
- 01603 - Norwich
- 01604 - Northampton
- 01606 - Northwich
- 01608 - Chipping Norton
- 01609 - Northallerton
- 0161 - Manchester
- 01620 - North Berwick
- 01621 - Maldon
- 01622 - Maidstone
- 01623 - Mansfield
- 01625 - Macclesfield
- 01626 - Newton Abbot
- 01628 - Maidenhead
- 01629 - Matlock
- 01630 - Market Drayton
- 01631 - Oban
- 01633 - Newport
- 01634 - Medway
- 01635 - Newbury
- 01636 - Newark
- 01637 - Newquay
- 01638 - Newmarket
- 01639 - Neath
- 01642 - Middlesbrough
- 01643 - Minehead
- 01646 - Milford Haven
- 01651 - Oldmeldrum
- 01652 - Brigg
- 01653 - Malton
- 01655 - Maybole
- 01656 - Bridgend
- 01661 - Prudhoe
- 01663 - New Mills
- 01664 - Melton Mowbray
- 01666 - Malmesbury
- 01667 - Nairn
- 01670 - Morpeth
- 01673 - Market Rasen
- 01674 - Montrose
- 01675 - Coleshill
- 01676 - Meriden
- 01684 - Malvern
- 01685 - Merthyr Tydfil
- 01686 - Newtown/Llanidloes
- 01689 - Orpington
- 01691 - Oswestry
- 01692 - North Walsham
- 01694 - Church Stretton
- 01695 - Skelmersdale
- 01697 - Raughton Head
- 01698 - Motherwell
- 01702 - Southend-on-Sea
- 01704 - Southport
- 01706 - Rochdale
- 01707 - Welwyn Garden City
- 01708 - Romford
- 01709 - Rotherham
- 01722 - Salisbury
- 01723 - Scarborough
- 01724 - Scunthorpe
- 01726 - St Austell
- 01727 - St Albans
- 01730 - Petersfield
- 01732 - Sevenoaks
- 01733 - Peterborough
- 01736 - Penzance
- 01737 - Redhill
- 01738 - Perth
- 01740 - Sedgefield
- 01743 - Shrewsbury
- 01744 - St Helens
- 01745 - Rhyl
- 01746 - Bridgnorth
- 01747 - Shaftesbury
- 01748 - Richmond
- 01749 - Shepton Mallet
- 01750 - Selkirk
- 01751 - Pickering
- 01752 - Plymouth
- 01753 - Slough
- 01756 - Skipton
- 01757 - Selby
- 01759 - Pocklington
- 01760 - Swaffham
- 01761 - Temple Cloud
- 01763 - Royston
- 01764 - Crieff
- 01765 - Ripon
- 01767 - Sandy
- 01768 - Keswick
- 01771 - Maud
- 01772 - Preston
- 01773 - Ripley
- 01775 - Spalding
- 01777 - Retford
- 01779 - Peterhead
- 01780 - Stamford
- 01782 - Stoke-on-Trent
- 01784 - Staines
- 01785 - Stafford
- 01786 - Stirling
- 01787 - Sudbury
- 01788 - Rugby
- 01789 - Stratford-upon-Avon
- 01792 - Swansea
- 01793 - Swindon
- 01794 - Romsey
- 01795 - Sittingbourne
- 01797 - Rye
- 01799 - Saffron Walden
- 01803 - Torquay
- 01822 - Tavistock
- 01823 - Taunton
- 01824 - Ruthin
- 01825 - Uckfield
- 01827 - Tamworth
- 01828 - Coupar Angus
- 01829 - Tarporley
- 01840 - Camelford
- 01842 - Thetford
- 01843 - Thanet
- 01844 - Thame
- 01845 - Thirsk
- 01851 - Stornoway
- 01856 - Orkney
- 01857 - Sanday
- 01858 - Market Harborough
- 01862 - Tain
- 01865 - Oxford
- 01869 - Bicester
- 01873 - Abergavenny
- 01875 - Tranent
- 01883 - Caterham
- 01884 - Tiverton
- 01892 - Tunbridge Wells
- 01895 - Uxbridge
- 01896 - Galashiels
- 01900 - Workington
- 01902 - Wolverhampton
- 01903 - Worthing
- 01904 - York
- 01905 - Worcester
- 01908 - Milton Keynes
- 01909 - Worksop
- 0191 - Sunderland
- 01922 - Walsall
- 01923 - Watford
- 01924 - Wakefield
- 01925 - Warrington
- 01926 - Warwick
- 01928 - Runcorn
- 01929 - Wareham
- 01932 - Weybridge
- 01933 - Wellingborough
- 01934 - Weston-Super-Mare
- 01935 - Yeovil
- 01937 - Wetherby
- 01938 - Welshpool
- 01939 - Wem
- 01942 - Wigan
- 01943 - Guiseley
- 01944 - West Heslerton
- 01945 - Wisbech
- 01946 - Gosforth
- 01947 - Whitby
- 01952 - Telford
- 01953 - Wymondham
- 01954 - Madingley
- 01959 - Westerham
- 01962 - Winchester
- 01975 - Strathdon
- 01977 - Pontefract
- 01978 - Wrexham
- 01980 - Amesbury
- 01983 - Isle of Wight
- 01985 - Warminster
- 01992 - Lea Valley
- 01993 - Witney
- 01995 - Garstang
- 020 - London
- 023 - Southampton
- 024 - Coventry
- 028 - Northern Ireland
- 029 - Cardiff