Area Code +34-810-(020500...020599) 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 : 020500 Subscriber Number To : 020599 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-(020400...020499) next › : +34-810-(020600...020699) Dialling Instructions For trunk calls: - 810 020500 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 020500 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 020500 ~ 020599 (Count: 100) Example: +34-810-020500 / 0034-810-020500 (810-020500 / -810-020500) +34-810-020501 / 0034-810-020501 (810-020501 / -810-020501) +34-810-020502 / 0034-810-020502 (810-020502 / -810-020502) +34-810-020503 / 0034-810-020503 (810-020503 / -810-020503) +34-810-020504 / 0034-810-020504 (810-020504 / -810-020504) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-020595 / 0034-810-020595 (810-020595 / -810-020595) +34-810-020596 / 0034-810-020596 (810-020596 / -810-020596) +34-810-020597 / 0034-810-020597 (810-020597 / -810-020597) +34-810-020598 / 0034-810-020598 (810-020598 / -810-020598) +34-810-020599 / 0034-810-020599 (810-020599 / -810-020599)