Area Code +44-870-(8170000...8179999) located in Shared Cost Services, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 870 Subscriber Number From : 8170000 Subscriber Number To : 8179999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : B (B) Carrier Name : Sentiro Limited Click here to buy United Kingdom Area Code Database Other Information Language Code : en (English) Country Number : 826 (United Kingdom) Country Code : GB (United Kingdom) City : Shared Cost Services Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5000 Longitude : -0.1300 ‹ previous : +44-870-(8160000...8169999) next › : +44-870-(8180000...8189999) Dialling Instructions For trunk calls: 0 870 8170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 870 8170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8170000 ~ 8179999 (Count: 10,000) Example: +44-870-8170000 / 0044-870-8170000 (0870-8170000 / 0-870-8170000) +44-870-8170001 / 0044-870-8170001 (0870-8170001 / 0-870-8170001) +44-870-8170002 / 0044-870-8170002 (0870-8170002 / 0-870-8170002) +44-870-8170003 / 0044-870-8170003 (0870-8170003 / 0-870-8170003) +44-870-8170004 / 0044-870-8170004 (0870-8170004 / 0-870-8170004) ...+44-870-xxxxxxx / 0044-870-xxxxxxx (0870-xxxxxxx / 0-870-xxxxxxx) ...+44-870-8179995 / 0044-870-8179995 (0870-8179995 / 0-870-8179995) +44-870-8179996 / 0044-870-8179996 (0870-8179996 / 0-870-8179996) +44-870-8179997 / 0044-870-8179997 (0870-8179997 / 0-870-8179997) +44-870-8179998 / 0044-870-8179998 (0870-8179998 / 0-870-8179998) +44-870-8179999 / 0044-870-8179999 (0870-8179999 / 0-870-8179999)