FactBook

The information shown below was provided by representatives of the carrier shown. The International Inbound Services Forum does not warrant the accuracy of the information and assumes no liability for errors.
General
CountryUnited Kingdom 
CarrierBT 
Last edited (yyy-mm-dd)2015-11-12 
Number formats
Outbound Freephone"0800 XXX XXXX and 0808 XXX XXXX (0800 89XXXX and 0800 96 XXXX pre July 97) 
Domestic Freephone"0800 XXX XXXX and 0808 XXX XXXX (0800 89XXXX and 0800 96 XXXX pre July 97) 
International Access Code00 
Service offerIFSUIFN
Inboundyes yes 
Domesticyes yes 
Home Country Direct Inboundyes yes 
Outboundyes yes 
Home Country Direct OutboundNo No 
CLI provided on outbound callsNo No 
Outbound simultaneous call limit and defaultNo limit applied by BT intelligent network maximum calls set by size of interconnect with partner carrier No limit applied by BT intelligent network maximum calls set by size of interconnect with partner carrier 
Call chargeIFSUIFN
Free or chargeableFree Free 
RemarkCharged from Mobiles Charged from Mobiles 
Number accessibility within countryIFSUIFN
Accessible from PABXsCase by case Case by case 
Accessible from HotelsCase by case Case by case 
Accessible from phones with international call barringCase by case Case by case 
Geographic restrictionsNo No guarantee of availability of UIFN from Jersey, Guernsey & Isle of Man. Recommendation is to use IFS rather than UIFN for full UK coverage. 
Islands/teritories included in dialplanUnited Kingdom of Great Britain and Northern Ireland (includes England, Scotland and Wales), Jersey, Guernsey & Isle of Man United Kingdom of Great Britain and Northern Ireland (includes England, Scotland and Wales). No guarantee of availability of UIFN from Jersey, Guernsey & Isle of Man. Recommendation is to use IFS rather than UIFN for full UK coverage. 
Accessible through other carriers/networks in countryYes, BT and Vodafone Yes, BT and Vodafone 
Full country coverage provided by a single carrierYes No, UIFN should be implemented in both BT and Vodafone networks to get best coverage 
Telephone include alpha charactersNo 
Access from payphonesIFSUIFN
Coins or cards neededNo No 
Payphone
operator
To be
recognized
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
BT Yes Free  Yes Free  Yes Free  
NW Spectrum Yes Free  Yes Free  Yes Free  
Remarks on payphone accessThe UK has a Payphone Access Levy currently 79p per minute this will be passed to carriers unless Payphone Access is requested to be blocked. 
Access from
mobile operators
Number
ranges
IFS
access
free /
charged
UIFN
access
free /
charged
HCD
access
free /
charged
02 07XXX Yes Free Yes Charged Yes Free 
07XXX Yes Free Yes Charged Yes Free 
Orange 07XXX Yes Free Yes Charged Yes Free 
T-Mobile 07XXX Yes Free Yes Charged Yes Free 
Vodafone 07XXX Yes Free Yes Charged Yes Free 
Remarks on mobile accessibility 
Number accessibility from abroadIFSUIFN
IFS numbersMost BT owned numbers can be dialled as +44 80 but some OLO ranges are blocked  N.a.
Domestic freephonenumbersMost BT owned numbers can be dialled as +44 80 but some OLO ranges are blocked  N.a.
DTMF Capability
Required for accessYes 
% of payphones with DTMF100% 
100% by when
Number PortabilityIFSUIFN
Domestic to internationalBT is not resourced to import numbers from OLOs and re-provide as outbound IFS. But BT’s will on request convert BT’s own domestic numbers to outbound IFS All UIFN's portable as required by ITU-T rec. E.169
International to domesticYes 
International between countriesYes 
International between carriersYes 
Domestic or international between carriers within countryThe BT IFS Team will co-operate with porting requests to move existing IFS numbers to other UK operators on a case by case basis. Domestic Freephone services are portable following UK industry NGNP processes.  
Single SOF portability supportedYes for all International Porting, Domestic UK porting requires UK Porting Forms 
Number for callers to report trouble0800 800 151 
Directory serviceIFSUIFN
PrintedNo No 
Operator assistedNo No 
InternetNo No 
Aging period for disconnected numbersn.a. N.a.
Service provisioning leadtime10 working days 
Related servicesInboundOutbound
Offers international shared costNot as part of traditional bilateral service agreements but the BT product portfolio does include a product which offers these type of Inbound Access Numbers.  
Offers international premium rateNo No 
Does agree to use transit for IFS/HCDNo No 
Is willing to act as transit carrier for IFS/HCDNo 
Offers wholesale IFSNot as part of traditional bilateral service agreements but the BT product portfolio does include a product which offers these type of Inbound Access Numbers.  
Internet links
Carrier homepagewww.bt.com 
For additional information 
Regulatorwww.ofcom.org.uk 
Public holiday informationwww.earthcalendar.net