Area Code +34-810-(023900...023999) located in Madrid, Madrid (M), more detail is as below. Place International Dialing Code : 34 International Prefix : 00 National Destination Code : 810 Subscriber Number From : 023900 Subscriber Number To : 023999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : BT ESPAÑA COMPAÑÍA DE SERVICIOS GLOBALES DE TELECOMUNICACIONES, S.A. UNIPERSONAL Click here to buy Spain Area Code Database Other Information Language Code : es (Spanish) Country Number : 724 (Spain) Country Code : ES (Spain) Region Code : M Region Name : Madrid City : Madrid Timezone : Europe/Madrid Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.4200 Longitude : -3.7000 ‹ previous : +34-810-(023800...023899) next › : +34-810-(024000...024099) Dialling Instructions For trunk calls: - 810 023900 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 023900 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 023900 ~ 023999 (Count: 100) Example: +34-810-023900 / 0034-810-023900 (810-023900 / -810-023900) +34-810-023901 / 0034-810-023901 (810-023901 / -810-023901) +34-810-023902 / 0034-810-023902 (810-023902 / -810-023902) +34-810-023903 / 0034-810-023903 (810-023903 / -810-023903) +34-810-023904 / 0034-810-023904 (810-023904 / -810-023904) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-023995 / 0034-810-023995 (810-023995 / -810-023995) +34-810-023996 / 0034-810-023996 (810-023996 / -810-023996) +34-810-023997 / 0034-810-023997 (810-023997 / -810-023997) +34-810-023998 / 0034-810-023998 (810-023998 / -810-023998) +34-810-023999 / 0034-810-023999 (810-023999 / -810-023999)