Area Code +34-810-(023000...023099) 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 : 023000 Subscriber Number To : 023099 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-(022900...022999) next › : +34-810-(023100...023199) Dialling Instructions For trunk calls: - 810 023000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 023000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 023000 ~ 023099 (Count: 100) Example: +34-810-023000 / 0034-810-023000 (810-023000 / -810-023000) +34-810-023001 / 0034-810-023001 (810-023001 / -810-023001) +34-810-023002 / 0034-810-023002 (810-023002 / -810-023002) +34-810-023003 / 0034-810-023003 (810-023003 / -810-023003) +34-810-023004 / 0034-810-023004 (810-023004 / -810-023004) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-023095 / 0034-810-023095 (810-023095 / -810-023095) +34-810-023096 / 0034-810-023096 (810-023096 / -810-023096) +34-810-023097 / 0034-810-023097 (810-023097 / -810-023097) +34-810-023098 / 0034-810-023098 (810-023098 / -810-023098) +34-810-023099 / 0034-810-023099 (810-023099 / -810-023099)