Area Code +94-11-(4500000...4579999) located in Colombo, Western, more detail is as below. Place International Dialing Code : 94 International Prefix : 00 National Prefix : 0 National Destination Code : 11 Subscriber Number From : 4500000 Subscriber Number To : 4579999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Sri Lanka Telecom Ltd Click here to buy Sri Lanka Area Code Database Other Information Language Code : si (Sinhala) Country Number : 144 (Sri Lanka) Country Code : LK (Sri Lanka) Region Name : Western City : Colombo Timezone : Asia/Colombo Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 6.9300 Longitude : 79.8600 ‹ previous : +94-11-(4440000...4449999) next › : +94-11-(4510000...4519999) Dialling Instructions For trunk calls: 0 11 4500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 94 11 4500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4500000 ~ 4579999 (Count: 80,000) Example: +94-11-4500000 / 0094-11-4500000 (011-4500000 / 0-11-4500000) +94-11-4500001 / 0094-11-4500001 (011-4500001 / 0-11-4500001) +94-11-4500002 / 0094-11-4500002 (011-4500002 / 0-11-4500002) +94-11-4500003 / 0094-11-4500003 (011-4500003 / 0-11-4500003) +94-11-4500004 / 0094-11-4500004 (011-4500004 / 0-11-4500004) ...+94-11-xxxxxxx / 0094-11-xxxxxxx (011-xxxxxxx / 0-11-xxxxxxx) ...+94-11-4579995 / 0094-11-4579995 (011-4579995 / 0-11-4579995) +94-11-4579996 / 0094-11-4579996 (011-4579996 / 0-11-4579996) +94-11-4579997 / 0094-11-4579997 (011-4579997 / 0-11-4579997) +94-11-4579998 / 0094-11-4579998 (011-4579998 / 0-11-4579998) +94-11-4579999 / 0094-11-4579999 (011-4579999 / 0-11-4579999)