Area Code +44-1923-(388000...388999) located in Watford, Hertfordshire (HRT), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1923 Subscriber Number From : 388000 Subscriber Number To : 388999 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 : TalkTalk Communications 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) Region Code : HRT Region Name : Hertfordshire City : Watford Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.6500 Longitude : -0.4000 ‹ previous : +44-1923-(387000...387999) next › : +44-1923-(389000...389999) Dialling Instructions For trunk calls: 0 1923 388000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1923 388000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 388000 ~ 388999 (Count: 1,000) Example: +44-1923-388000 / 0044-1923-388000 (01923-388000 / 0-1923-388000) +44-1923-388001 / 0044-1923-388001 (01923-388001 / 0-1923-388001) +44-1923-388002 / 0044-1923-388002 (01923-388002 / 0-1923-388002) +44-1923-388003 / 0044-1923-388003 (01923-388003 / 0-1923-388003) +44-1923-388004 / 0044-1923-388004 (01923-388004 / 0-1923-388004) ...+44-1923-xxxxxx / 0044-1923-xxxxxx (01923-xxxxxx / 0-1923-xxxxxx) ...+44-1923-388995 / 0044-1923-388995 (01923-388995 / 0-1923-388995) +44-1923-388996 / 0044-1923-388996 (01923-388996 / 0-1923-388996) +44-1923-388997 / 0044-1923-388997 (01923-388997 / 0-1923-388997) +44-1923-388998 / 0044-1923-388998 (01923-388998 / 0-1923-388998) +44-1923-388999 / 0044-1923-388999 (01923-388999 / 0-1923-388999)