Area Code +51-66-(3700000...3799999) located in All locations, Ayacucho (AYA), more detail is as below. Place International Dialing Code : 51 International Prefix : 00 National Prefix : 0 National Destination Code : 66 Subscriber Number From : 3700000 Subscriber Number To : 3799999 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 : Telefónica del Perú Click here to buy Peru Area Code Database Other Information Language Code : es (Spanish) Country Number : 604 (Peru) Country Code : PE (Peru) Region Code : AYA Region Name : Ayacucho City : All locations Timezone : America/Lima Coordinated Universal Time : -05:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : -13.9400 Longitude : -74.0300 ‹ previous : +51-66-(3500000...3599999) next › : +51-66-(4000000...4099999) Dialling Instructions For trunk calls: 0 66 3700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 51 66 3700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3700000 ~ 3799999 (Count: 100,000) Example: +51-66-3700000 / 0051-66-3700000 (066-3700000 / 0-66-3700000) +51-66-3700001 / 0051-66-3700001 (066-3700001 / 0-66-3700001) +51-66-3700002 / 0051-66-3700002 (066-3700002 / 0-66-3700002) +51-66-3700003 / 0051-66-3700003 (066-3700003 / 0-66-3700003) +51-66-3700004 / 0051-66-3700004 (066-3700004 / 0-66-3700004) ...+51-66-xxxxxxx / 0051-66-xxxxxxx (066-xxxxxxx / 0-66-xxxxxxx) ...+51-66-3799995 / 0051-66-3799995 (066-3799995 / 0-66-3799995) +51-66-3799996 / 0051-66-3799996 (066-3799996 / 0-66-3799996) +51-66-3799997 / 0051-66-3799997 (066-3799997 / 0-66-3799997) +51-66-3799998 / 0051-66-3799998 (066-3799998 / 0-66-3799998) +51-66-3799999 / 0051-66-3799999 (066-3799999 / 0-66-3799999)