Area Code +44-7021-(550000...559999) located in Personal Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 7021 Subscriber Number From : 550000 Subscriber Number To : 559999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Invomo Ltd 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 : Personal Numbers Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5100 Longitude : -0.1300 ‹ previous : +44-7021-(540000...549999) next › : +44-7021-(560000...569999) Dialling Instructions For trunk calls: 0 7021 550000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 7021 550000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 550000 ~ 559999 (Count: 10,000) Example: +44-7021-550000 / 0044-7021-550000 (07021-550000 / 0-7021-550000) +44-7021-550001 / 0044-7021-550001 (07021-550001 / 0-7021-550001) +44-7021-550002 / 0044-7021-550002 (07021-550002 / 0-7021-550002) +44-7021-550003 / 0044-7021-550003 (07021-550003 / 0-7021-550003) +44-7021-550004 / 0044-7021-550004 (07021-550004 / 0-7021-550004) ...+44-7021-xxxxxx / 0044-7021-xxxxxx (07021-xxxxxx / 0-7021-xxxxxx) ...+44-7021-559995 / 0044-7021-559995 (07021-559995 / 0-7021-559995) +44-7021-559996 / 0044-7021-559996 (07021-559996 / 0-7021-559996) +44-7021-559997 / 0044-7021-559997 (07021-559997 / 0-7021-559997) +44-7021-559998 / 0044-7021-559998 (07021-559998 / 0-7021-559998) +44-7021-559999 / 0044-7021-559999 (07021-559999 / 0-7021-559999)