COLT Technology Services

Dialling codes with numbers allocated to COLT Technology Services

Number allocations are approximate, and are calculated from published Ofcom data. The fact that numbers are allocated to a provider does not necessarily mean that they are all in use.

Code Type Location/Description Numbers
0113 Geographic Leeds 1000
0114 Geographic Sheffield 1000
0115 Geographic Nottingham 1000
0116 Geographic Leicester 1000
0117 Geographic Bristol 1000
0118 Geographic Reading 2000
01205 Geographic Boston 100
01206 Geographic Colchester 100
0121 Geographic Birmingham 5000
01223 Geographic Cambridge 100
01224 Geographic Aberdeen 100
01225 Geographic Bath 100
01229 Geographic Barrow-in Furness / Millom 100
01233 Geographic Ashford (Kent) 100
01234 Geographic Bedford 100
01242 Geographic Cheltenham 100
01243 Geographic Chichester 100
01245 Geographic Chelmsford 100
01246 Geographic Chesterfield 100
01252 Geographic Aldershot 100
01255 Geographic Clacton-on-Sea 100
01256 Geographic Basingstoke 100
01270 Geographic Crewe 100
01273 Geographic Brighton 100
01274 Geographic Bradford 100
01276 Geographic Camberley 100
01277 Geographic Brentwood 100
01279 Geographic Bishops Stortford 100
01280 Geographic Buckingham 100
01285 Geographic Cirencester 100
01294 Geographic Ardrossan 100
01295 Geographic Banbury 100
01302 Geographic Doncaster 200
01304 Geographic Dover 100
01306 Geographic Dorking 100
0131 Geographic Edinburgh 1000
01322 Geographic Dartford 200
01329 Geographic Fareham 100
01332 Geographic Derby 100
01342 Geographic East Grinstead 200
01344 Geographic Bracknell 100
01352 Geographic Mold 100
01372 Geographic Esher 100
01375 Geographic Grays Thurrock 100
01386 Geographic Evesham 100
01389 Geographic Dumbarton 100
01403 Geographic Horsham 100
0141 Geographic Glasgow 1000
01420 Geographic Alton 100
01428 Geographic Haslemere 100
01438 Geographic Stevenage 100
01442 Geographic Hemel Hempstead 100
01443 Geographic Pontypridd 100
01444 Geographic Haywards Heath 100
01452 Geographic Gloucester 100
01453 Geographic Dursley 300
01475 Geographic Greenock 100
01476 Geographic Grantham 100
01483 Geographic Guildford 400
01484 Geographic Huddersfield 100
01491 Geographic Henley-on-Thames 100
01493 Geographic Great Yarmouth 100
01494 Geographic High Wycombe 100
0151 Geographic Liverpool 1000
01522 Geographic Lincoln 100
01530 Geographic Coalville 100
01563 Geographic Kilmarnock 100
01582 Geographic Luton 100
01603 Geographic Norwich 100
01604 Geographic Northampton 100
0161 Geographic Manchester 3000
01625 Geographic Macclesfield 400
01628 Geographic Maidenhead 100
01631 Geographic Oban 100
01633 Geographic Newport 100
01634 Geographic Medway 100
01635 Geographic Newbury 100
01670 Geographic Morpeth 100
01672 Geographic Marlborough 100
01689 Geographic Orpington 100
01702 Geographic Southend-on-Sea 100
01704 Geographic Southport 100
01707 Geographic Welwyn Garden City 100
01727 Geographic St Albans 100
01732 Geographic Sevenoaks 100
01733 Geographic Peterborough 100
01737 Geographic Redhill 200
01744 Geographic St Helens 100
01745 Geographic Rhyl 100
01753 Geographic Slough 200
01772 Geographic Preston 100
01784 Geographic Staines 100
01792 Geographic Swansea 100
01865 Geographic Oxford 200
01869 Geographic Bicester 100
01883 Geographic Caterham 100
01892 Geographic Tunbridge Wells 100
01895 Geographic Uxbridge 300
01902 Geographic Wolverhampton 100
01904 Geographic York 100
01908 Geographic Milton Keynes 100
0191 Geographic Tyneside / Durham / Sunderland 2000
01923 Geographic Watford 200
01925 Geographic Warrington 200
01926 Geographic Warwick 100
01932 Geographic Weybridge 200
01962 Geographic Winchester 100
020 Geographic London 135000
023 Geographic Southampton / Portsmouth 2000
024 Geographic Coventry 1000
028 Geographic Northern Ireland 2000
029 Geographic Cardiff 1000
0371 UK-wide Local Call Equivalent 7000
0370 UK-wide Local Call Equivalent 28000
0345 UK-wide Local Call Equivalent 15000
0344 UK-wide Local Call Equivalent 1300
0333 UK-wide Local Call Equivalent 11000
0303 UK-wide Local Call Equivalent 1000
0560 UK-wide Freephone 6000
07028 Non-geographic Personal Numbers 13000
07029 Non-geographic Personal Numbers 10000
07049 Non-geographic Personal Numbers 10000
0800 UK-wide Freephone Numbers 2200
0808 UK-wide Freephone Numbers 3000
0843 UK-wide Special Services basic rate: up to and including 5p for BT customers (non-internet) 2000
0844 UK-wide Non ‘BT Discount Scheme’ - Internet Services incorporating un-metered access up to and including 5p 1400
0845 UK-wide Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers 15000
0870 UK-wide Special Services higher rate: BT’s Standard National Call Retail Price for BT customers 28000
0871 UK-wide Non ‘BT Discount Scheme’ - Internet Services incorporating un-metered access up to and including 10p 7000
0872 UK-wide Special Services higher rate: up to and including 10p for BT customers (non-internet) 4000
0899 UK-wide Inbound Routing Codes 10000
0900 UK-wide Special Services, time charged calls up to and including 60ppm and total call cost not greater than 6000
0901 UK-wide Special Services, time charged calls up to and including 60ppm and total call cost not greater than 16000
0904 UK-wide Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers 1000
0905 UK-wide Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers 17000
0906 UK-wide Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers 26000
0907 UK-wide Special Services pay for product that costs more than £1 in total for BT customers 2000
0909 UK-wide Sexual Entertainment Services at a Premium Rate for BT customers 7000
0911 UK-wide Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers 13000
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