Area Code +91-1600-(000000...999999) located in Freephone, more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 1600 Subscriber Number From : 000000 Subscriber Number To : 999999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : F (Freephone) Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) City : Freephone Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 28.6400 Longitude : 77.2200 ‹ previous : +91-1596-(794000...794999) next › : +91-160-(2000000...2999999) Dialling Instructions For trunk calls: 0 1600 000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 1600 000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 000000 ~ 999999 (Count: 1,000,000) Example: +91-1600-000000 / 0091-1600-000000 (01600-000000 / 0-1600-000000) +91-1600-000001 / 0091-1600-000001 (01600-000001 / 0-1600-000001) +91-1600-000002 / 0091-1600-000002 (01600-000002 / 0-1600-000002) +91-1600-000003 / 0091-1600-000003 (01600-000003 / 0-1600-000003) +91-1600-000004 / 0091-1600-000004 (01600-000004 / 0-1600-000004) ...+91-1600-xxxxxx / 0091-1600-xxxxxx (01600-xxxxxx / 0-1600-xxxxxx) ...+91-1600-999995 / 0091-1600-999995 (01600-999995 / 0-1600-999995) +91-1600-999996 / 0091-1600-999996 (01600-999996 / 0-1600-999996) +91-1600-999997 / 0091-1600-999997 (01600-999997 / 0-1600-999997) +91-1600-999998 / 0091-1600-999998 (01600-999998 / 0-1600-999998) +91-1600-999999 / 0091-1600-999999 (01600-999999 / 0-1600-999999)