Area Code +33-310-(030000...039999) 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 : 030000 Subscriber Number To : 039999 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 : COLT TECHNOLOGY SERVICES 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-(020000...029999) next › : +33-310-(040000...049999) Dialling Instructions For trunk calls: 0 310 030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 310 030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 030000 ~ 039999 (Count: 10,000) Example: +33-310-030000 / 0033-310-030000 (0310-030000 / 0-310-030000) +33-310-030001 / 0033-310-030001 (0310-030001 / 0-310-030001) +33-310-030002 / 0033-310-030002 (0310-030002 / 0-310-030002) +33-310-030003 / 0033-310-030003 (0310-030003 / 0-310-030003) +33-310-030004 / 0033-310-030004 (0310-030004 / 0-310-030004) ...+33-310-xxxxxx / 0033-310-xxxxxx (0310-xxxxxx / 0-310-xxxxxx) ...+33-310-039995 / 0033-310-039995 (0310-039995 / 0-310-039995) +33-310-039996 / 0033-310-039996 (0310-039996 / 0-310-039996) +33-310-039997 / 0033-310-039997 (0310-039997 / 0-310-039997) +33-310-039998 / 0033-310-039998 (0310-039998 / 0-310-039998) +33-310-039999 / 0033-310-039999 (0310-039999 / 0-310-039999)