Area Code +34-810-(020000...020099) located in Alcalá de Henares, Madrid (M), more detail is as below. Place International Dialing Code : 34 International Prefix : 00 National Destination Code : 810 Subscriber Number From : 020000 Subscriber Number To : 020099 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 : Alcalá de Henares Timezone : Europe/Madrid Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 40.4800 Longitude : -3.3600 ‹ previous : +34-810-(000000...000999) next › : +34-810-(020100...020199) Dialling Instructions For trunk calls: - 810 020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 020000 ~ 020099 (Count: 100) Example: +34-810-020000 / 0034-810-020000 (810-020000 / -810-020000) +34-810-020001 / 0034-810-020001 (810-020001 / -810-020001) +34-810-020002 / 0034-810-020002 (810-020002 / -810-020002) +34-810-020003 / 0034-810-020003 (810-020003 / -810-020003) +34-810-020004 / 0034-810-020004 (810-020004 / -810-020004) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-020095 / 0034-810-020095 (810-020095 / -810-020095) +34-810-020096 / 0034-810-020096 (810-020096 / -810-020096) +34-810-020097 / 0034-810-020097 (810-020097 / -810-020097) +34-810-020098 / 0034-810-020098 (810-020098 / -810-020098) +34-810-020099 / 0034-810-020099 (810-020099 / -810-020099)