Area Code +34-810-(020400...020499) 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 : 020400 Subscriber Number To : 020499 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-(020300...020399) next › : +34-810-(020500...020599) Dialling Instructions For trunk calls: - 810 020400 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 020400 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 020400 ~ 020499 (Count: 100) Example: +34-810-020400 / 0034-810-020400 (810-020400 / -810-020400) +34-810-020401 / 0034-810-020401 (810-020401 / -810-020401) +34-810-020402 / 0034-810-020402 (810-020402 / -810-020402) +34-810-020403 / 0034-810-020403 (810-020403 / -810-020403) +34-810-020404 / 0034-810-020404 (810-020404 / -810-020404) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-020495 / 0034-810-020495 (810-020495 / -810-020495) +34-810-020496 / 0034-810-020496 (810-020496 / -810-020496) +34-810-020497 / 0034-810-020497 (810-020497 / -810-020497) +34-810-020498 / 0034-810-020498 (810-020498 / -810-020498) +34-810-020499 / 0034-810-020499 (810-020499 / -810-020499)