Area Code +33-321-(850000...859999) located in Calais, PAS DE CALAIS (62), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 321 Subscriber Number From : 850000 Subscriber Number To : 859999 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 : FRANCE TELECOM Click here to buy France Area Code Database Other Information Language Code : fr (French) Country Number : 250 (France) Country Code : FR (France) Region Code : 62 Region Name : PAS DE CALAIS City : Calais Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 50.9500 Longitude : 1.8600 ‹ previous : +33-321-(840000...849999) next › : +33-321-(860000...869999) Dialling Instructions For trunk calls: 0 321 850000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 321 850000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 850000 ~ 859999 (Count: 10,000) Example: +33-321-850000 / 0033-321-850000 (0321-850000 / 0-321-850000) +33-321-850001 / 0033-321-850001 (0321-850001 / 0-321-850001) +33-321-850002 / 0033-321-850002 (0321-850002 / 0-321-850002) +33-321-850003 / 0033-321-850003 (0321-850003 / 0-321-850003) +33-321-850004 / 0033-321-850004 (0321-850004 / 0-321-850004) ...+33-321-xxxxxx / 0033-321-xxxxxx (0321-xxxxxx / 0-321-xxxxxx) ...+33-321-859995 / 0033-321-859995 (0321-859995 / 0-321-859995) +33-321-859996 / 0033-321-859996 (0321-859996 / 0-321-859996) +33-321-859997 / 0033-321-859997 (0321-859997 / 0-321-859997) +33-321-859998 / 0033-321-859998 (0321-859998 / 0-321-859998) +33-321-859999 / 0033-321-859999 (0321-859999 / 0-321-859999)