Area Code +44-5555-(400000...409999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5555 Subscriber Number From : 400000 Subscriber Number To : 409999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Andrews & Arnold 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) City : Corporate Numbers 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 : +44-5555-(370000...379999) next › : +44-5555-(500000...509999) Dialling Instructions For trunk calls: 0 5555 400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5555 400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 400000 ~ 409999 (Count: 10,000) Example: +44-5555-400000 / 0044-5555-400000 (05555-400000 / 0-5555-400000) +44-5555-400001 / 0044-5555-400001 (05555-400001 / 0-5555-400001) +44-5555-400002 / 0044-5555-400002 (05555-400002 / 0-5555-400002) +44-5555-400003 / 0044-5555-400003 (05555-400003 / 0-5555-400003) +44-5555-400004 / 0044-5555-400004 (05555-400004 / 0-5555-400004) ...+44-5555-xxxxxx / 0044-5555-xxxxxx (05555-xxxxxx / 0-5555-xxxxxx) ...+44-5555-409995 / 0044-5555-409995 (05555-409995 / 0-5555-409995) +44-5555-409996 / 0044-5555-409996 (05555-409996 / 0-5555-409996) +44-5555-409997 / 0044-5555-409997 (05555-409997 / 0-5555-409997) +44-5555-409998 / 0044-5555-409998 (05555-409998 / 0-5555-409998) +44-5555-409999 / 0044-5555-409999 (05555-409999 / 0-5555-409999)