Area Code +44-20-(31740000...31749999) 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 : 31740000 Subscriber Number To : 31749999 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 : BT 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-(31730000...31739999) next › : +44-20-(31750000...31759999) Dialling Instructions For trunk calls: 0 20 31740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 31740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31740000 ~ 31749999 (Count: 10,000) Example: +44-20-31740000 / 0044-20-31740000 (020-31740000 / 0-20-31740000) +44-20-31740001 / 0044-20-31740001 (020-31740001 / 0-20-31740001) +44-20-31740002 / 0044-20-31740002 (020-31740002 / 0-20-31740002) +44-20-31740003 / 0044-20-31740003 (020-31740003 / 0-20-31740003) +44-20-31740004 / 0044-20-31740004 (020-31740004 / 0-20-31740004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-31749995 / 0044-20-31749995 (020-31749995 / 0-20-31749995) +44-20-31749996 / 0044-20-31749996 (020-31749996 / 0-20-31749996) +44-20-31749997 / 0044-20-31749997 (020-31749997 / 0-20-31749997) +44-20-31749998 / 0044-20-31749998 (020-31749998 / 0-20-31749998) +44-20-31749999 / 0044-20-31749999 (020-31749999 / 0-20-31749999)
