Area Code +92-21-(7640000...7640999) 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 : 7640000 Subscriber Number To : 7640999 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-(7635000...7635999) next › : +92-21-(7645000...7645999) Dialling Instructions For trunk calls: 0 21 7640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 92 21 7640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7640000 ~ 7640999 (Count: 1,000) Example: +92-21-7640000 / 0092-21-7640000 (021-7640000 / 0-21-7640000) +92-21-7640001 / 0092-21-7640001 (021-7640001 / 0-21-7640001) +92-21-7640002 / 0092-21-7640002 (021-7640002 / 0-21-7640002) +92-21-7640003 / 0092-21-7640003 (021-7640003 / 0-21-7640003) +92-21-7640004 / 0092-21-7640004 (021-7640004 / 0-21-7640004) ...+92-21-xxxxxxx / 0092-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+92-21-7640995 / 0092-21-7640995 (021-7640995 / 0-21-7640995) +92-21-7640996 / 0092-21-7640996 (021-7640996 / 0-21-7640996) +92-21-7640997 / 0092-21-7640997 (021-7640997 / 0-21-7640997) +92-21-7640998 / 0092-21-7640998 (021-7640998 / 0-21-7640998) +92-21-7640999 / 0092-21-7640999 (021-7640999 / 0-21-7640999)