Area Code +44-7644-(400000...499999) located in Radiopaging, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 7644 Subscriber Number From : 400000 Subscriber Number To : 499999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : Titanium 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) City : Radiopaging 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 : +44-7644-(100000...199999) next › : +44-7644-(500000...599999) Dialling Instructions For trunk calls: 0 7644 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 7644 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 499999 (Count: 100,000) Example: +44-7644-400000 / 0044-7644-400000 (07644-400000 / 0-7644-400000) +44-7644-400001 / 0044-7644-400001 (07644-400001 / 0-7644-400001) +44-7644-400002 / 0044-7644-400002 (07644-400002 / 0-7644-400002) +44-7644-400003 / 0044-7644-400003 (07644-400003 / 0-7644-400003) +44-7644-400004 / 0044-7644-400004 (07644-400004 / 0-7644-400004) ...+44-7644-xxxxxx / 0044-7644-xxxxxx (07644-xxxxxx / 0-7644-xxxxxx) ...+44-7644-499995 / 0044-7644-499995 (07644-499995 / 0-7644-499995) +44-7644-499996 / 0044-7644-499996 (07644-499996 / 0-7644-499996) +44-7644-499997 / 0044-7644-499997 (07644-499997 / 0-7644-499997) +44-7644-499998 / 0044-7644-499998 (07644-499998 / 0-7644-499998) +44-7644-499999 / 0044-7644-499999 (07644-499999 / 0-7644-499999)