Area Code +44-1280-(390000...399999) located in Buckingham, Buckinghamshire (BKM), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1280 Subscriber Number From : 390000 Subscriber Number To : 399999 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 : Nationwide Telephone Assistance 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 : BKM Region Name : Buckinghamshire City : Buckingham Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 52.0000 Longitude : -0.9900 ‹ previous : +44-1280-(380000...389999) next › : +44-1280-(400000...409999) Dialling Instructions For trunk calls: 0 1280 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1280 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +44-1280-390000 / 0044-1280-390000 (01280-390000 / 0-1280-390000) +44-1280-390001 / 0044-1280-390001 (01280-390001 / 0-1280-390001) +44-1280-390002 / 0044-1280-390002 (01280-390002 / 0-1280-390002) +44-1280-390003 / 0044-1280-390003 (01280-390003 / 0-1280-390003) +44-1280-390004 / 0044-1280-390004 (01280-390004 / 0-1280-390004) ...+44-1280-xxxxxx / 0044-1280-xxxxxx (01280-xxxxxx / 0-1280-xxxxxx) ...+44-1280-399995 / 0044-1280-399995 (01280-399995 / 0-1280-399995) +44-1280-399996 / 0044-1280-399996 (01280-399996 / 0-1280-399996) +44-1280-399997 / 0044-1280-399997 (01280-399997 / 0-1280-399997) +44-1280-399998 / 0044-1280-399998 (01280-399998 / 0-1280-399998) +44-1280-399999 / 0044-1280-399999 (01280-399999 / 0-1280-399999)