Area Code +33-310-(370000...379999) located in Chaumont, HAUTE MARNE (52), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 310 Subscriber Number From : 370000 Subscriber Number To : 379999 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 : SOCIETE FRANCAISE DU RADIOTELEPHONE Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 52 Region Name : HAUTE MARNE City : Chaumont Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.1100 Longitude : 5.1400 ‹ previous : +33-310-(360000...369999) next › : +33-310-(380000...389999) Dialling Instructions For trunk calls: 0 310 370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 310 370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 370000 ~ 379999 (Count: 10,000) Example: +33-310-370000 / 0033-310-370000 (0310-370000 / 0-310-370000) +33-310-370001 / 0033-310-370001 (0310-370001 / 0-310-370001) +33-310-370002 / 0033-310-370002 (0310-370002 / 0-310-370002) +33-310-370003 / 0033-310-370003 (0310-370003 / 0-310-370003) +33-310-370004 / 0033-310-370004 (0310-370004 / 0-310-370004) ...+33-310-xxxxxx / 0033-310-xxxxxx (0310-xxxxxx / 0-310-xxxxxx) ...+33-310-379995 / 0033-310-379995 (0310-379995 / 0-310-379995) +33-310-379996 / 0033-310-379996 (0310-379996 / 0-310-379996) +33-310-379997 / 0033-310-379997 (0310-379997 / 0-310-379997) +33-310-379998 / 0033-310-379998 (0310-379998 / 0-310-379998) +33-310-379999 / 0033-310-379999 (0310-379999 / 0-310-379999)