Area Code +34-810-(023300...023399) 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 : 023300 Subscriber Number To : 023399 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-(023200...023299) next › : +34-810-(023400...023499) Dialling Instructions For trunk calls: - 810 023300 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 810 023300 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 023300 ~ 023399 (Count: 100) Example: +34-810-023300 / 0034-810-023300 (810-023300 / -810-023300) +34-810-023301 / 0034-810-023301 (810-023301 / -810-023301) +34-810-023302 / 0034-810-023302 (810-023302 / -810-023302) +34-810-023303 / 0034-810-023303 (810-023303 / -810-023303) +34-810-023304 / 0034-810-023304 (810-023304 / -810-023304) ...+34-810-xxxxxx / 0034-810-xxxxxx (810-xxxxxx / -810-xxxxxx) ...+34-810-023395 / 0034-810-023395 (810-023395 / -810-023395) +34-810-023396 / 0034-810-023396 (810-023396 / -810-023396) +34-810-023397 / 0034-810-023397 (810-023397 / -810-023397) +34-810-023398 / 0034-810-023398 (810-023398 / -810-023398) +34-810-023399 / 0034-810-023399 (810-023399 / -810-023399)