Area Code +44-870-(3880000...3889999) 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 : 3880000 Subscriber Number To : 3889999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : B (B) Carrier Name : HighSpeed Office 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-(3870000...3879999) next › : +44-870-(3890000...3899999) Dialling Instructions For trunk calls: 0 870 3880000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 870 3880000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3880000 ~ 3889999 (Count: 10,000) Example: +44-870-3880000 / 0044-870-3880000 (0870-3880000 / 0-870-3880000) +44-870-3880001 / 0044-870-3880001 (0870-3880001 / 0-870-3880001) +44-870-3880002 / 0044-870-3880002 (0870-3880002 / 0-870-3880002) +44-870-3880003 / 0044-870-3880003 (0870-3880003 / 0-870-3880003) +44-870-3880004 / 0044-870-3880004 (0870-3880004 / 0-870-3880004) ...+44-870-xxxxxxx / 0044-870-xxxxxxx (0870-xxxxxxx / 0-870-xxxxxxx) ...+44-870-3889995 / 0044-870-3889995 (0870-3889995 / 0-870-3889995) +44-870-3889996 / 0044-870-3889996 (0870-3889996 / 0-870-3889996) +44-870-3889997 / 0044-870-3889997 (0870-3889997 / 0-870-3889997) +44-870-3889998 / 0044-870-3889998 (0870-3889998 / 0-870-3889998) +44-870-3889999 / 0044-870-3889999 (0870-3889999 / 0-870-3889999)