Area Code +92-21-(7780000...7780999) 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 : 7780000 Subscriber Number To : 7780999 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-(7775000...7775999) next › : +92-21-(7785000...7785999) Dialling Instructions For trunk calls: 0 21 7780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 92 21 7780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7780000 ~ 7780999 (Count: 1,000) Example: +92-21-7780000 / 0092-21-7780000 (021-7780000 / 0-21-7780000) +92-21-7780001 / 0092-21-7780001 (021-7780001 / 0-21-7780001) +92-21-7780002 / 0092-21-7780002 (021-7780002 / 0-21-7780002) +92-21-7780003 / 0092-21-7780003 (021-7780003 / 0-21-7780003) +92-21-7780004 / 0092-21-7780004 (021-7780004 / 0-21-7780004) ...+92-21-xxxxxxx / 0092-21-xxxxxxx (021-xxxxxxx / 0-21-xxxxxxx) ...+92-21-7780995 / 0092-21-7780995 (021-7780995 / 0-21-7780995) +92-21-7780996 / 0092-21-7780996 (021-7780996 / 0-21-7780996) +92-21-7780997 / 0092-21-7780997 (021-7780997 / 0-21-7780997) +92-21-7780998 / 0092-21-7780998 (021-7780998 / 0-21-7780998) +92-21-7780999 / 0092-21-7780999 (021-7780999 / 0-21-7780999)