Area Code +33-310-(680000...689999) located in Sezanne, MARNE (51), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 310 Subscriber Number From : 680000 Subscriber Number To : 689999 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 : 51 Region Name : MARNE City : Sezanne Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.7200 Longitude : 3.7200 ‹ previous : +33-310-(670000...679999) next › : +33-310-(690000...699999) Dialling Instructions For trunk calls: 0 310 680000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 310 680000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 680000 ~ 689999 (Count: 10,000) Example: +33-310-680000 / 0033-310-680000 (0310-680000 / 0-310-680000) +33-310-680001 / 0033-310-680001 (0310-680001 / 0-310-680001) +33-310-680002 / 0033-310-680002 (0310-680002 / 0-310-680002) +33-310-680003 / 0033-310-680003 (0310-680003 / 0-310-680003) +33-310-680004 / 0033-310-680004 (0310-680004 / 0-310-680004) ...+33-310-xxxxxx / 0033-310-xxxxxx (0310-xxxxxx / 0-310-xxxxxx) ...+33-310-689995 / 0033-310-689995 (0310-689995 / 0-310-689995) +33-310-689996 / 0033-310-689996 (0310-689996 / 0-310-689996) +33-310-689997 / 0033-310-689997 (0310-689997 / 0-310-689997) +33-310-689998 / 0033-310-689998 (0310-689998 / 0-310-689998) +33-310-689999 / 0033-310-689999 (0310-689999 / 0-310-689999)