| gptkbp:instanceOf | gptkb:telecommunications_company 
 | 
                        
                            
                                | gptkbp:areaCode | 01xxx 07xxx
 02x
 03xx
 08xx
 09xx
 
 | 
                        
                            
                                | gptkbp:country | gptkb:United_Kingdom 
 | 
                        
                            
                                | gptkbp:directoryEnquiries | 118xxx 
 | 
                        
                            
                                | gptkbp:emergencyServices | 112 999
 
 | 
                        
                            
                                | gptkbp:firstAutomaticExchange | Epsom, 1912 
 | 
                        
                            
                                | gptkbp:firstDigitalExchange | 1979 
 | 
                        
                            
                                | gptkbp:firstMobileNetwork | gptkb:Vodafone gptkb:Cellnet
 
 | 
                        
                            
                                | gptkbp:firstSubscriberTrunkDialling | 1958 
 | 
                        
                            
                                | gptkbp:historicalOperator | gptkb:British_Telecom gptkb:Post_Office_Telecommunications
 
 | 
                        
                            
                                | gptkbp:internationalAccessCode | 00 
 | 
                        
                            
                                | gptkbp:internationalDialingCode | +44 
 | 
                        
                            
                                | gptkbp:localDialling | supported 
 | 
                        
                            
                                | gptkbp:mobileNumberPrefix | 07 
 | 
                        
                            
                                | gptkbp:nonGeographicNumbers | 0800 0870
 0845
 03xx
 
 | 
                        
                            
                                | gptkbp:numberLength | 10 or 11 digits 
 | 
                        
                            
                                | gptkbp:numberPortability | supported 
 | 
                        
                            
                                | gptkbp:operator | gptkb:BT_Group gptkb:Sky
 gptkb:Virgin_Media
 gptkb:Three_UK
 gptkb:Vodafone_UK
 gptkb:O2_UK
 gptkb:EE_Limited
 gptkb:TalkTalk
 
 | 
                        
                            
                                | gptkbp:operatorAssistance | 100 
 | 
                        
                            
                                | gptkbp:payphoneDecline | significant since 2000s 
 | 
                        
                            
                                | gptkbp:plannedPSTNSwitchOff | 2025 
 | 
                        
                            
                                | gptkbp:publicServiceNumbers | 116xxx 
 | 
                        
                            
                                | gptkbp:regulates | gptkb:Ofcom 
 | 
                        
                            
                                | gptkbp:technology | gptkb:VoIP gptkb:ISDN
 gptkb:PSTN
 mobile 3G
 mobile 4G
 mobile 5G
 mobile GSM
 
 | 
                        
                            
                                | gptkbp:transitioningTo | all-IP network 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:ARE_telephone_exchange 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | UK telephone network 
 |