Area Code +92-21-(7770000...7770999) located in Karachi, Sind (SD), more detail is as below. Place International Dialing Code : 92 International Prefix : 00 National Prefix : 0 National Destination Code : 21 Subscriber Number From : 7770000 Subscriber Number To : 7770999 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 : Worldcall Click here to buy Pakistan Area Code Database Other Information Language Code : pa (Punjabi) Country Number : 586 (Pakistan) Country Code : PK (Pakistan) Region Code : SD Region Name : Sind City : Karachi Timezone : Asia/Karachi Coordinated Universal Time : +05:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 24.8900 Longitude : 67.0300 ‹ previous : +92-21-(7765000...7765999) next › : +92-21-(7775000...7775999) Dialling Instructions For trunk calls: 0 21 7770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 92 21 7770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7770000 ~ 7770999 (Count: 1,000) Example: +92-21-7770000 / 0092-21-7770000 (021-7770000 / 0-21-7770000) +92-21-7770001 / 0092-21-7770001 (021-7770001 / 0-21-7770001) +92-21-7770002 / 0092-21-7770002 (021-7770002 / 0-21-7770002) +92-21-7770003 / 0092-21-7770003 (021-7770003 / 0-21-7770003) +92-21-7770004 / 0092-21-7770004 (021-7770004 / 0-21-7770004) ...+92-21-xxxxxxx / 0092-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+92-21-7770995 / 0092-21-7770995 (021-7770995 / 0-21-7770995) +92-21-7770996 / 0092-21-7770996 (021-7770996 / 0-21-7770996) +92-21-7770997 / 0092-21-7770997 (021-7770997 / 0-21-7770997) +92-21-7770998 / 0092-21-7770998 (021-7770998 / 0-21-7770998) +92-21-7770999 / 0092-21-7770999 (021-7770999 / 0-21-7770999)