Area Code +44-20-(31780000...31789999) located in London, City of London (LND), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 20 Subscriber Number From : 31780000 Subscriber Number To : 31789999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Verizon UK 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) Region Code : LND Region Name : City of London City : London 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 : +44-20-(31770000...31779999) next › : +44-20-(31790000...31799999) Dialling Instructions For trunk calls: 0 20 31780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 31780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31780000 ~ 31789999 (Count: 10,000) Example: +44-20-31780000 / 0044-20-31780000 (020-31780000 / 0-20-31780000) +44-20-31780001 / 0044-20-31780001 (020-31780001 / 0-20-31780001) +44-20-31780002 / 0044-20-31780002 (020-31780002 / 0-20-31780002) +44-20-31780003 / 0044-20-31780003 (020-31780003 / 0-20-31780003) +44-20-31780004 / 0044-20-31780004 (020-31780004 / 0-20-31780004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-31789995 / 0044-20-31789995 (020-31789995 / 0-20-31789995) +44-20-31789996 / 0044-20-31789996 (020-31789996 / 0-20-31789996) +44-20-31789997 / 0044-20-31789997 (020-31789997 / 0-20-31789997) +44-20-31789998 / 0044-20-31789998 (020-31789998 / 0-20-31789998) +44-20-31789999 / 0044-20-31789999 (020-31789999 / 0-20-31789999)
