Area Code +33-370-(280000...289999) located in Pontarlier, DOUBS (25), more detail is as below. Place International Dialing Code : 33 International Prefix : 00 National Prefix : 0 National Destination Code : 370 Subscriber Number From : 280000 Subscriber Number To : 289999 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 : 25 Region Name : DOUBS City : Pontarlier Timezone : Europe/Paris Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 46.9000 Longitude : 6.3500 ‹ previous : +33-370-(270000...279999) next › : +33-370-(290000...299999) Dialling Instructions For trunk calls: 0 370 280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 33 370 280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 280000 ~ 289999 (Count: 10,000) Example: +33-370-280000 / 0033-370-280000 (0370-280000 / 0-370-280000) +33-370-280001 / 0033-370-280001 (0370-280001 / 0-370-280001) +33-370-280002 / 0033-370-280002 (0370-280002 / 0-370-280002) +33-370-280003 / 0033-370-280003 (0370-280003 / 0-370-280003) +33-370-280004 / 0033-370-280004 (0370-280004 / 0-370-280004) ...+33-370-xxxxxx / 0033-370-xxxxxx (0370-xxxxxx / 0-370-xxxxxx) ...+33-370-289995 / 0033-370-289995 (0370-289995 / 0-370-289995) +33-370-289996 / 0033-370-289996 (0370-289996 / 0-370-289996) +33-370-289997 / 0033-370-289997 (0370-289997 / 0-370-289997) +33-370-289998 / 0033-370-289998 (0370-289998 / 0-370-289998) +33-370-289999 / 0033-370-289999 (0370-289999 / 0-370-289999)