Area Code +34-810-(020300...020399) 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 : 020300 Subscriber Number To : 020399 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-(020200...020299) next › : +34-810-(020400...020499) Dialling Instructions For trunk calls: - 810 020300 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 020300 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 020300 ~ 020399 (Count: 100) Example: +34-810-020300 / 0034-810-020300 (810-020300 / -810-020300) +34-810-020301 / 0034-810-020301 (810-020301 / -810-020301) +34-810-020302 / 0034-810-020302 (810-020302 / -810-020302) +34-810-020303 / 0034-810-020303 (810-020303 / -810-020303) +34-810-020304 / 0034-810-020304 (810-020304 / -810-020304) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-020395 / 0034-810-020395 (810-020395 / -810-020395) +34-810-020396 / 0034-810-020396 (810-020396 / -810-020396) +34-810-020397 / 0034-810-020397 (810-020397 / -810-020397) +34-810-020398 / 0034-810-020398 (810-020398 / -810-020398) +34-810-020399 / 0034-810-020399 (810-020399 / -810-020399)