Area Code +94-11-(5500000...5579999) 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 : 5500000 Subscriber Number To : 5579999 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-(5370000...5379999) next › : +94-11-(5510000...5519999) Dialling Instructions For trunk calls: 0 11 5500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 94 11 5500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5500000 ~ 5579999 (Count: 80,000) Example: +94-11-5500000 / 0094-11-5500000 (011-5500000 / 0-11-5500000) +94-11-5500001 / 0094-11-5500001 (011-5500001 / 0-11-5500001) +94-11-5500002 / 0094-11-5500002 (011-5500002 / 0-11-5500002) +94-11-5500003 / 0094-11-5500003 (011-5500003 / 0-11-5500003) +94-11-5500004 / 0094-11-5500004 (011-5500004 / 0-11-5500004) ...+94-11-xxxxxxx / 0094-11-xxxxxxx (011-xxxxxxx / 0-11-xxxxxxx) ...+94-11-5579995 / 0094-11-5579995 (011-5579995 / 0-11-5579995) +94-11-5579996 / 0094-11-5579996 (011-5579996 / 0-11-5579996) +94-11-5579997 / 0094-11-5579997 (011-5579997 / 0-11-5579997) +94-11-5579998 / 0094-11-5579998 (011-5579998 / 0-11-5579998) +94-11-5579999 / 0094-11-5579999 (011-5579999 / 0-11-5579999)