Area Code +33-381-(510000...519999) located in Besancon, DOUBS (25), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 381 Subscriber Number From : 510000 Subscriber Number To : 519999 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 : 25 Region Name : DOUBS City : Besancon Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 47.2400 Longitude : 6.0200 ‹ previous : +33-381-(500000...509999) next › : +33-381-(520000...529999) Dialling Instructions For trunk calls: 0 381 510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 381 510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 510000 ~ 519999 (Count: 10,000) Example: +33-381-510000 / 0033-381-510000 (0381-510000 / 0-381-510000) +33-381-510001 / 0033-381-510001 (0381-510001 / 0-381-510001) +33-381-510002 / 0033-381-510002 (0381-510002 / 0-381-510002) +33-381-510003 / 0033-381-510003 (0381-510003 / 0-381-510003) +33-381-510004 / 0033-381-510004 (0381-510004 / 0-381-510004) ...+33-381-xxxxxx / 0033-381-xxxxxx (0381-xxxxxx / 0-381-xxxxxx) ...+33-381-519995 / 0033-381-519995 (0381-519995 / 0-381-519995) +33-381-519996 / 0033-381-519996 (0381-519996 / 0-381-519996) +33-381-519997 / 0033-381-519997 (0381-519997 / 0-381-519997) +33-381-519998 / 0033-381-519998 (0381-519998 / 0-381-519998) +33-381-519999 / 0033-381-519999 (0381-519999 / 0-381-519999)