Area Code +91-8510-(500000...599999) located in KOILKUNTLA, Andhra Pradesh (AP), more detail is as below. Place International Dialing Code : 91 International Prefix : 00 National Prefix : 0 National Destination Code : 8510 Subscriber Number From : 500000 Subscriber Number To : 599999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Sistema Shyam TeleServices Ltd (MTS) 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 : KOILKUNTLA Timezone : Asia/Kolkata Coordinated Universal Time : +05:30 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 15.2300 Longitude : 78.3200 ‹ previous : +91-8510-(400000...499999) next › : +91-8510-(600000...699999) Dialling Instructions For trunk calls: 0 8510 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 91 8510 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 599999 (Count: 100,000) Example: +91-8510-500000 / 0091-8510-500000 (08510-500000 / 0-8510-500000) +91-8510-500001 / 0091-8510-500001 (08510-500001 / 0-8510-500001) +91-8510-500002 / 0091-8510-500002 (08510-500002 / 0-8510-500002) +91-8510-500003 / 0091-8510-500003 (08510-500003 / 0-8510-500003) +91-8510-500004 / 0091-8510-500004 (08510-500004 / 0-8510-500004) ...+91-8510-xxxxxx / 0091-8510-xxxxxx (08510-xxxxxx / 0-8510-xxxxxx) ...+91-8510-599995 / 0091-8510-599995 (08510-599995 / 0-8510-599995) +91-8510-599996 / 0091-8510-599996 (08510-599996 / 0-8510-599996) +91-8510-599997 / 0091-8510-599997 (08510-599997 / 0-8510-599997) +91-8510-599998 / 0091-8510-599998 (08510-599998 / 0-8510-599998) +91-8510-599999 / 0091-8510-599999 (08510-599999 / 0-8510-599999)