Area Code +91-1800-(0000...999999999) located in Freephone, more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 1800 Subscriber Number From : 0000 Subscriber Number To : 999999999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 13 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 : 8 Latitude : 28.6400 Longitude : 77.2200 ‹ previous : +91-1799-(794000...794999) next › : +91-180-(2000000...2999999) Dialling Instructions For trunk calls: 0 1800 0000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 1800 0000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000 ~ 999999999 (Count: 1,000,000,000) Example: +91-1800-000000000 / 0091-1800-000000000 (01800-000000000 / 0-1800-000000000) +91-1800-000000001 / 0091-1800-000000001 (01800-000000001 / 0-1800-000000001) +91-1800-000000002 / 0091-1800-000000002 (01800-000000002 / 0-1800-000000002) +91-1800-000000003 / 0091-1800-000000003 (01800-000000003 / 0-1800-000000003) +91-1800-000000004 / 0091-1800-000000004 (01800-000000004 / 0-1800-000000004) ...+91-1800-xxxxxxxxx / 0091-1800-xxxxxxxxx (01800-xxxxxxxxx / 0-1800-xxxxxxxxx) ...+91-1800-999999995 / 0091-1800-999999995 (01800-999999995 / 0-1800-999999995) +91-1800-999999996 / 0091-1800-999999996 (01800-999999996 / 0-1800-999999996) +91-1800-999999997 / 0091-1800-999999997 (01800-999999997 / 0-1800-999999997) +91-1800-999999998 / 0091-1800-999999998 (01800-999999998 / 0-1800-999999998) +91-1800-999999999 / 0091-1800-999999999 (01800-999999999 / 0-1800-999999999)