Area Code +36-54-(423000...423999) located in Berettyóújfalu, Hajdú-Bihar (HB), more detail is as below. Place International Dialing Code : 36 International Prefix : 00 National Prefix : 06 National Destination Code : 54 Subscriber Number From : 423000 Subscriber Number To : 423999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Magyar Telekom Nyrt. Click here to buy Hungary Area Code Database Other Information Language Code : hu (Hungarian) Country Number : 348 (Hungary) Country Code : HU (Hungary) Region Code : HB Region Name : Hajdú-Bihar City : Berettyóújfalu Timezone : Europe/Budapest Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 47.2300 Longitude : 21.5300 ‹ previous : +36-54-(410000...420999) next › : +36-54-(425000...425999) Dialling Instructions For trunk calls: 6 54 423000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 36 54 423000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 423000 ~ 423999 (Count: 1,000) Example: +36-54-423000 / 0036-54-423000 (0654-423000 / 06-54-423000) +36-54-423001 / 0036-54-423001 (0654-423001 / 06-54-423001) +36-54-423002 / 0036-54-423002 (0654-423002 / 06-54-423002) +36-54-423003 / 0036-54-423003 (0654-423003 / 06-54-423003) +36-54-423004 / 0036-54-423004 (0654-423004 / 06-54-423004) ...+36-54-xxxxxx / 0036-54-xxxxxx (0654-xxxxxx / 06-54-xxxxxx) ...+36-54-423995 / 0036-54-423995 (0654-423995 / 06-54-423995) +36-54-423996 / 0036-54-423996 (0654-423996 / 06-54-423996) +36-54-423997 / 0036-54-423997 (0654-423997 / 06-54-423997) +36-54-423998 / 0036-54-423998 (0654-423998 / 06-54-423998) +36-54-423999 / 0036-54-423999 (0654-423999 / 06-54-423999)