Area Code +94-11-(5510000...5519999) 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 : 5510000 Subscriber Number To : 5519999 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 : Lanka Bell (Pvt) 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-(5500000...5579999) next › : +94-11-(5520000...5529999) Dialling Instructions For trunk calls: 0 11 5510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 94 11 5510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5510000 ~ 5519999 (Count: 10,000) Example: +94-11-5510000 / 0094-11-5510000 (011-5510000 / 0-11-5510000) +94-11-5510001 / 0094-11-5510001 (011-5510001 / 0-11-5510001) +94-11-5510002 / 0094-11-5510002 (011-5510002 / 0-11-5510002) +94-11-5510003 / 0094-11-5510003 (011-5510003 / 0-11-5510003) +94-11-5510004 / 0094-11-5510004 (011-5510004 / 0-11-5510004) ...+94-11-xxxxxxx / 0094-11-xxxxxxx (011-xxxxxxx / 0-11-xxxxxxx) ...+94-11-5519995 / 0094-11-5519995 (011-5519995 / 0-11-5519995) +94-11-5519996 / 0094-11-5519996 (011-5519996 / 0-11-5519996) +94-11-5519997 / 0094-11-5519997 (011-5519997 / 0-11-5519997) +94-11-5519998 / 0094-11-5519998 (011-5519998 / 0-11-5519998) +94-11-5519999 / 0094-11-5519999 (011-5519999 / 0-11-5519999)