Area Code +213-31-(000000...999999) located in Constantine, more detail is as below. Place International Dialing Code : 213 International Prefix : 00 National Prefix : 0 National Destination Code : 31 Subscriber Number From : 000000 Subscriber Number To : 999999 National Destination Code Length : 2 Uses National Destination Code : No National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Algérie Télécom Click here to buy Algeria Area Code Database Other Information Language Code : ar (Arabic) Country Number : 12 (Algeria) Country Code : DZ (Algeria) City : Constantine Timezone : Africa/Algiers Coordinated Universal Time : +01:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 36.3500 Longitude : 6.6000 ‹ previous : +213-30-(000000...999999) next › : +213-32-(000000...999999) Dialling Instructions For trunk calls: 0 31 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 213 31 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +213-31-000000 / 00213-31-000000 (031-000000 / 0-31-000000) +213-31-000001 / 00213-31-000001 (031-000001 / 0-31-000001) +213-31-000002 / 00213-31-000002 (031-000002 / 0-31-000002) +213-31-000003 / 00213-31-000003 (031-000003 / 0-31-000003) +213-31-000004 / 00213-31-000004 (031-000004 / 0-31-000004) ...+213-31-xxxxxx / 00213-31-xxxxxx (031-xxxxxx / 0-31-xxxxxx) ...+213-31-999995 / 00213-31-999995 (031-999995 / 0-31-999995) +213-31-999996 / 00213-31-999996 (031-999996 / 0-31-999996) +213-31-999997 / 00213-31-999997 (031-999997 / 0-31-999997) +213-31-999998 / 00213-31-999998 (031-999998 / 0-31-999998) +213-31-999999 / 00213-31-999999 (031-999999 / 0-31-999999)