Area Code +977-21-(520000...539999) located in Biratnagar, Koshi (KO), more detail is as below. Place International Dialing Code : 977 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 520000 Subscriber Number To : 539999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Nepal Telecom Click here to buy Nepal Area Code Database Other Information Language Code : ne (Nepali) Country Number : 524 (Nepal) Country Code : NP (Nepal) Region Code : KO Region Name : Koshi City : Biratnagar Timezone : Asia/Kathmandu Coordinated Universal Time : +05:45 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 26.4800 Longitude : 87.2800 ‹ previous : +977-11-(560000...565999) next › : +977-21-(540000...540999) Dialling Instructions For trunk calls: 0 21 520000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 977 21 520000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 520000 ~ 539999 (Count: 20,000) Example: +977-21-520000 / 00977-21-520000 (021-520000 / 0-21-520000) +977-21-520001 / 00977-21-520001 (021-520001 / 0-21-520001) +977-21-520002 / 00977-21-520002 (021-520002 / 0-21-520002) +977-21-520003 / 00977-21-520003 (021-520003 / 0-21-520003) +977-21-520004 / 00977-21-520004 (021-520004 / 0-21-520004) ...+977-21-xxxxxx / 00977-21-xxxxxx (021-xxxxxx / 0-21-xxxxxx) ...+977-21-539995 / 00977-21-539995 (021-539995 / 0-21-539995) +977-21-539996 / 00977-21-539996 (021-539996 / 0-21-539996) +977-21-539997 / 00977-21-539997 (021-539997 / 0-21-539997) +977-21-539998 / 00977-21-539998 (021-539998 / 0-21-539998) +977-21-539999 / 00977-21-539999 (021-539999 / 0-21-539999)