Area Code +44-20-(31730000...31739999) 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 : 31730000 Subscriber Number To : 31739999 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 : Jtec UK 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) 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-(31710000...31719999) next › : +44-20-(31740000...31749999) Dialling Instructions For trunk calls: 0 20 31730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 20 31730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 31730000 ~ 31739999 (Count: 10,000) Example: +44-20-31730000 / 0044-20-31730000 (020-31730000 / 0-20-31730000) +44-20-31730001 / 0044-20-31730001 (020-31730001 / 0-20-31730001) +44-20-31730002 / 0044-20-31730002 (020-31730002 / 0-20-31730002) +44-20-31730003 / 0044-20-31730003 (020-31730003 / 0-20-31730003) +44-20-31730004 / 0044-20-31730004 (020-31730004 / 0-20-31730004) ...+44-20-xxxxxxxx / 0044-20-xxxxxxxx (020-xxxxxxxx / 0-20-xxxxxxxx) ...+44-20-31739995 / 0044-20-31739995 (020-31739995 / 0-20-31739995) +44-20-31739996 / 0044-20-31739996 (020-31739996 / 0-20-31739996) +44-20-31739997 / 0044-20-31739997 (020-31739997 / 0-20-31739997) +44-20-31739998 / 0044-20-31739998 (020-31739998 / 0-20-31739998) +44-20-31739999 / 0044-20-31739999 (020-31739999 / 0-20-31739999)
