Area Code +34-810-(521000...521999) 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 : 521000 Subscriber Number To : 521999 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 : TELEFÓNICA DE ESPAÑA, 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-(520000...520999) next › : +34-810-(522000...522999) Dialling Instructions For trunk calls: - 810 521000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 521000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 521000 ~ 521999 (Count: 1,000) Example: +34-810-521000 / 0034-810-521000 (810-521000 / -810-521000) +34-810-521001 / 0034-810-521001 (810-521001 / -810-521001) +34-810-521002 / 0034-810-521002 (810-521002 / -810-521002) +34-810-521003 / 0034-810-521003 (810-521003 / -810-521003) +34-810-521004 / 0034-810-521004 (810-521004 / -810-521004) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-521995 / 0034-810-521995 (810-521995 / -810-521995) +34-810-521996 / 0034-810-521996 (810-521996 / -810-521996) +34-810-521997 / 0034-810-521997 (810-521997 / -810-521997) +34-810-521998 / 0034-810-521998 (810-521998 / -810-521998) +34-810-521999 / 0034-810-521999 (810-521999 / -810-521999)