Area Code +52-442-(1660000...1669999) located in Querétaro, Querétaro (QUE), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 442 Subscriber Number From : 1660000 Subscriber Number To : 1669999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : PROTEL I-NEXT, S.A. DE C.V. Click here to buy Mexico Area Code Database Other Information Language Code : es (Spanish) Country Number : 484 (Mexico) Country Code : MX (Mexico) Region Code : QUE Region Name : Querétaro City : Querétaro Timezone : America/Mexico_City Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 20.5900 Longitude : -100.3900 ‹ previous : +52-442-(1650000...1659999) next › : +52-442-(1670000...1670999) Dialling Instructions For trunk calls: 1 442 1660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 442 1660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1660000 ~ 1669999 (Count: 10,000) Example: +52-442-1660000 / 0052-442-1660000 (01442-1660000 / 01-442-1660000) +52-442-1660001 / 0052-442-1660001 (01442-1660001 / 01-442-1660001) +52-442-1660002 / 0052-442-1660002 (01442-1660002 / 01-442-1660002) +52-442-1660003 / 0052-442-1660003 (01442-1660003 / 01-442-1660003) +52-442-1660004 / 0052-442-1660004 (01442-1660004 / 01-442-1660004) ...+52-442-xxxxxxx / 0052-442-xxxxxxx (01442-xxxxxxx / 01-442-xxxxxxx) ...+52-442-1669995 / 0052-442-1669995 (01442-1669995 / 01-442-1669995) +52-442-1669996 / 0052-442-1669996 (01442-1669996 / 01-442-1669996) +52-442-1669997 / 0052-442-1669997 (01442-1669997 / 01-442-1669997) +52-442-1669998 / 0052-442-1669998 (01442-1669998 / 01-442-1669998) +52-442-1669999 / 0052-442-1669999 (01442-1669999 / 01-442-1669999)