Area Code +44-1631-(630000...639999) located in Oban, Argyll and Bute (AGB), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1631 Subscriber Number From : 630000 Subscriber Number To : 639999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telecoms World Direct 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 : AGB Region Name : Argyll and Bute City : Oban Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 56.4100 Longitude : -5.4700 ‹ previous : +44-1631-(620000...629999) next › : +44-1631-(647000...647999) Dialling Instructions For trunk calls: 0 1631 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1631 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +44-1631-630000 / 0044-1631-630000 (01631-630000 / 0-1631-630000) +44-1631-630001 / 0044-1631-630001 (01631-630001 / 0-1631-630001) +44-1631-630002 / 0044-1631-630002 (01631-630002 / 0-1631-630002) +44-1631-630003 / 0044-1631-630003 (01631-630003 / 0-1631-630003) +44-1631-630004 / 0044-1631-630004 (01631-630004 / 0-1631-630004) ...+44-1631-xxxxxx / 0044-1631-xxxxxx (01631-xxxxxx / 0-1631-xxxxxx) ...+44-1631-639995 / 0044-1631-639995 (01631-639995 / 0-1631-639995) +44-1631-639996 / 0044-1631-639996 (01631-639996 / 0-1631-639996) +44-1631-639997 / 0044-1631-639997 (01631-639997 / 0-1631-639997) +44-1631-639998 / 0044-1631-639998 (01631-639998 / 0-1631-639998) +44-1631-639999 / 0044-1631-639999 (01631-639999 / 0-1631-639999)