Area Code +34-810-(023100...023199) 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 : 023100 Subscriber Number To : 023199 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-(023000...023099) next › : +34-810-(023200...023299) Dialling Instructions For trunk calls: - 810 023100 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 023100 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 023100 ~ 023199 (Count: 100) Example: +34-810-023100 / 0034-810-023100 (810-023100 / -810-023100) +34-810-023101 / 0034-810-023101 (810-023101 / -810-023101) +34-810-023102 / 0034-810-023102 (810-023102 / -810-023102) +34-810-023103 / 0034-810-023103 (810-023103 / -810-023103) +34-810-023104 / 0034-810-023104 (810-023104 / -810-023104) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-023195 / 0034-810-023195 (810-023195 / -810-023195) +34-810-023196 / 0034-810-023196 (810-023196 / -810-023196) +34-810-023197 / 0034-810-023197 (810-023197 / -810-023197) +34-810-023198 / 0034-810-023198 (810-023198 / -810-023198) +34-810-023199 / 0034-810-023199 (810-023199 / -810-023199)