Area Code +44-7700-(000000...099999) located in Mobile Telephony, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 7700 Subscriber Number From : 000000 Subscriber Number To : 099999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Cloud9 Communications 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 : Mobile Telephony 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 : +44-7699-(900000...999999) next › : +44-7700-(100000...199999) Dialling Instructions For trunk calls: 0 7700 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 7700 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 099999 (Count: 100,000) Example: +44-7700-000000 / 0044-7700-000000 (07700-000000 / 0-7700-000000) +44-7700-000001 / 0044-7700-000001 (07700-000001 / 0-7700-000001) +44-7700-000002 / 0044-7700-000002 (07700-000002 / 0-7700-000002) +44-7700-000003 / 0044-7700-000003 (07700-000003 / 0-7700-000003) +44-7700-000004 / 0044-7700-000004 (07700-000004 / 0-7700-000004) ...+44-7700-xxxxxx / 0044-7700-xxxxxx (07700-xxxxxx / 0-7700-xxxxxx) ...+44-7700-099995 / 0044-7700-099995 (07700-099995 / 0-7700-099995) +44-7700-099996 / 0044-7700-099996 (07700-099996 / 0-7700-099996) +44-7700-099997 / 0044-7700-099997 (07700-099997 / 0-7700-099997) +44-7700-099998 / 0044-7700-099998 (07700-099998 / 0-7700-099998) +44-7700-099999 / 0044-7700-099999 (07700-099999 / 0-7700-099999)