Area Code +33-370-(780000...789999) located in Montbeliard, DOUBS (25), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 370 Subscriber Number From : 780000 Subscriber Number To : 789999 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 : COMPLETEL Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 25 Region Name : DOUBS City : Montbeliard Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.5100 Longitude : 6.8000 ‹ previous : +33-370-(770000...779999) next › : +33-370-(790000...799999) Dialling Instructions For trunk calls: 0 370 780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 370 780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 780000 ~ 789999 (Count: 10,000) Example: +33-370-780000 / 0033-370-780000 (0370-780000 / 0-370-780000) +33-370-780001 / 0033-370-780001 (0370-780001 / 0-370-780001) +33-370-780002 / 0033-370-780002 (0370-780002 / 0-370-780002) +33-370-780003 / 0033-370-780003 (0370-780003 / 0-370-780003) +33-370-780004 / 0033-370-780004 (0370-780004 / 0-370-780004) ...+33-370-xxxxxx / 0033-370-xxxxxx (0370-xxxxxx / 0-370-xxxxxx) ...+33-370-789995 / 0033-370-789995 (0370-789995 / 0-370-789995) +33-370-789996 / 0033-370-789996 (0370-789996 / 0-370-789996) +33-370-789997 / 0033-370-789997 (0370-789997 / 0-370-789997) +33-370-789998 / 0033-370-789998 (0370-789998 / 0-370-789998) +33-370-789999 / 0033-370-789999 (0370-789999 / 0-370-789999)