Area Code +34-810-(023500...023599) 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 : 023500 Subscriber Number To : 023599 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-(023400...023499) next › : +34-810-(023600...023699) Dialling Instructions For trunk calls: - 810 023500 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 023500 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 023500 ~ 023599 (Count: 100) Example: +34-810-023500 / 0034-810-023500 (810-023500 / -810-023500) +34-810-023501 / 0034-810-023501 (810-023501 / -810-023501) +34-810-023502 / 0034-810-023502 (810-023502 / -810-023502) +34-810-023503 / 0034-810-023503 (810-023503 / -810-023503) +34-810-023504 / 0034-810-023504 (810-023504 / -810-023504) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-023595 / 0034-810-023595 (810-023595 / -810-023595) +34-810-023596 / 0034-810-023596 (810-023596 / -810-023596) +34-810-023597 / 0034-810-023597 (810-023597 / -810-023597) +34-810-023598 / 0034-810-023598 (810-023598 / -810-023598) +34-810-023599 / 0034-810-023599 (810-023599 / -810-023599)