Area Code +34-810-(023800...023899) 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 : 023800 Subscriber Number To : 023899 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-(023700...023799) next › : +34-810-(023900...023999) Dialling Instructions For trunk calls: - 810 023800 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 023800 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 023800 ~ 023899 (Count: 100) Example: +34-810-023800 / 0034-810-023800 (810-023800 / -810-023800) +34-810-023801 / 0034-810-023801 (810-023801 / -810-023801) +34-810-023802 / 0034-810-023802 (810-023802 / -810-023802) +34-810-023803 / 0034-810-023803 (810-023803 / -810-023803) +34-810-023804 / 0034-810-023804 (810-023804 / -810-023804) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-023895 / 0034-810-023895 (810-023895 / -810-023895) +34-810-023896 / 0034-810-023896 (810-023896 / -810-023896) +34-810-023897 / 0034-810-023897 (810-023897 / -810-023897) +34-810-023898 / 0034-810-023898 (810-023898 / -810-023898) +34-810-023899 / 0034-810-023899 (810-023899 / -810-023899)