Area Code +34-912-(637000...637999) located in Madrid, Madrid (M), more detail is as below. Place International Dialing Code : 34 International Prefix : 00 National Destination Code : 912 Subscriber Number From : 637000 Subscriber Number To : 637999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : VODAFONE ONO, 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 : +34-912-(636000...636999) next › : +34-912-(638000...638999) Dialling Instructions For trunk calls: - 912 637000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 34 912 637000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 637000 ~ 637999 (Count: 1,000) Example: +34-912-637000 / 0034-912-637000 (912-637000 / -912-637000) +34-912-637001 / 0034-912-637001 (912-637001 / -912-637001) +34-912-637002 / 0034-912-637002 (912-637002 / -912-637002) +34-912-637003 / 0034-912-637003 (912-637003 / -912-637003) +34-912-637004 / 0034-912-637004 (912-637004 / -912-637004) ...+34-912-xxxxxx / 0034-912-xxxxxx (912-xxxxxx / -912-xxxxxx) ...+34-912-637995 / 0034-912-637995 (912-637995 / -912-637995) +34-912-637996 / 0034-912-637996 (912-637996 / -912-637996) +34-912-637997 / 0034-912-637997 (912-637997 / -912-637997) +34-912-637998 / 0034-912-637998 (912-637998 / -912-637998) +34-912-637999 / 0034-912-637999 (912-637999 / -912-637999)