Area Code +33-310-(700000...709999) located in Chalons-En-Champagne, 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 : 700000 Subscriber Number To : 709999 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 : 51 Region Name : MARNE City : Chalons-En-Champagne Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 48.9600 Longitude : 4.3600 ‹ previous : +33-310-(690000...699999) next › : +33-310-(710000...719999) Dialling Instructions For trunk calls: 0 310 700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 310 700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 700000 ~ 709999 (Count: 10,000) Example: +33-310-700000 / 0033-310-700000 (0310-700000 / 0-310-700000) +33-310-700001 / 0033-310-700001 (0310-700001 / 0-310-700001) +33-310-700002 / 0033-310-700002 (0310-700002 / 0-310-700002) +33-310-700003 / 0033-310-700003 (0310-700003 / 0-310-700003) +33-310-700004 / 0033-310-700004 (0310-700004 / 0-310-700004) ...+33-310-xxxxxx / 0033-310-xxxxxx (0310-xxxxxx / 0-310-xxxxxx) ...+33-310-709995 / 0033-310-709995 (0310-709995 / 0-310-709995) +33-310-709996 / 0033-310-709996 (0310-709996 / 0-310-709996) +33-310-709997 / 0033-310-709997 (0310-709997 / 0-310-709997) +33-310-709998 / 0033-310-709998 (0310-709998 / 0-310-709998) +33-310-709999 / 0033-310-709999 (0310-709999 / 0-310-709999)