Area Code +44-118-(3900000...3909999) located in Reading, Reading (RDG), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 118 Subscriber Number From : 3900000 Subscriber Number To : 3909999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : COLT Technology Services 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 : RDG Region Name : Reading City : Reading Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.4600 Longitude : -0.9700 ‹ previous : +44-118-(3890000...3899999) next › : +44-118-(3910000...3919999) Dialling Instructions For trunk calls: 0 118 3900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 118 3900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3900000 ~ 3909999 (Count: 10,000) Example: +44-118-3900000 / 0044-118-3900000 (0118-3900000 / 0-118-3900000) +44-118-3900001 / 0044-118-3900001 (0118-3900001 / 0-118-3900001) +44-118-3900002 / 0044-118-3900002 (0118-3900002 / 0-118-3900002) +44-118-3900003 / 0044-118-3900003 (0118-3900003 / 0-118-3900003) +44-118-3900004 / 0044-118-3900004 (0118-3900004 / 0-118-3900004) ...+44-118-xxxxxxx / 0044-118-xxxxxxx (0118-xxxxxxx / 0-118-xxxxxxx) ...+44-118-3909995 / 0044-118-3909995 (0118-3909995 / 0-118-3909995) +44-118-3909996 / 0044-118-3909996 (0118-3909996 / 0-118-3909996) +44-118-3909997 / 0044-118-3909997 (0118-3909997 / 0-118-3909997) +44-118-3909998 / 0044-118-3909998 (0118-3909998 / 0-118-3909998) +44-118-3909999 / 0044-118-3909999 (0118-3909999 / 0-118-3909999)