Area Code +44-7021-(540000...549999) 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 : 540000 Subscriber Number To : 549999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Eclipse Tel 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 : 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-(530000...539999) next › : +44-7021-(550000...559999) Dialling Instructions For trunk calls: 0 7021 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 7021 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +44-7021-540000 / 0044-7021-540000 (07021-540000 / 0-7021-540000) +44-7021-540001 / 0044-7021-540001 (07021-540001 / 0-7021-540001) +44-7021-540002 / 0044-7021-540002 (07021-540002 / 0-7021-540002) +44-7021-540003 / 0044-7021-540003 (07021-540003 / 0-7021-540003) +44-7021-540004 / 0044-7021-540004 (07021-540004 / 0-7021-540004) ...+44-7021-xxxxxx / 0044-7021-xxxxxx (07021-xxxxxx / 0-7021-xxxxxx) ...+44-7021-549995 / 0044-7021-549995 (07021-549995 / 0-7021-549995) +44-7021-549996 / 0044-7021-549996 (07021-549996 / 0-7021-549996) +44-7021-549997 / 0044-7021-549997 (07021-549997 / 0-7021-549997) +44-7021-549998 / 0044-7021-549998 (07021-549998 / 0-7021-549998) +44-7021-549999 / 0044-7021-549999 (07021-549999 / 0-7021-549999)