Area Code +91-40-(00000000...99999999) located in HYDERABAD, Andhra Pradesh (AP), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 40 Subscriber Number From : 00000000 Subscriber Number To : 99999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Bharat Sanchar Nigam Limited (BSNL) Click here to buy India Area Code Database Other Information Language Code : hi (Hindi) Country Number : 356 (India) Country Code : IN (India) Region Code : AP Region Name : Andhra Pradesh City : HYDERABAD Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 17.3800 Longitude : 78.4800 ‹ previous : +91-389-(0000000...9999999) next › : +91-4111-(000000...999999) Dialling Instructions For trunk calls: 0 40 00000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 40 00000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00000000 ~ 99999999 (Count: 100,000,000) Example: +91-40-00000000 / 0091-40-00000000 (040-00000000 / 0-40-00000000) +91-40-00000001 / 0091-40-00000001 (040-00000001 / 0-40-00000001) +91-40-00000002 / 0091-40-00000002 (040-00000002 / 0-40-00000002) +91-40-00000003 / 0091-40-00000003 (040-00000003 / 0-40-00000003) +91-40-00000004 / 0091-40-00000004 (040-00000004 / 0-40-00000004) ...+91-40-xxxxxxxx / 0091-40-xxxxxxxx (040-xxxxxxxx / 0-40-xxxxxxxx) ...+91-40-99999995 / 0091-40-99999995 (040-99999995 / 0-40-99999995) +91-40-99999996 / 0091-40-99999996 (040-99999996 / 0-40-99999996) +91-40-99999997 / 0091-40-99999997 (040-99999997 / 0-40-99999997) +91-40-99999998 / 0091-40-99999998 (040-99999998 / 0-40-99999998) +91-40-99999999 / 0091-40-99999999 (040-99999999 / 0-40-99999999)