Area Code +52-636-(6920000...6921023) located in Ascensión, Chihuahua (CHH), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 636 Subscriber Number From : 6920000 Subscriber Number To : 6921023 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 : TELEFONOS DE MEXICO, S.A.B. 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 : CHH Region Name : Chihuahua City : Ascensión Timezone : America/Chihuahua Coordinated Universal Time : -07:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 31.0900 Longitude : -108.0000 ‹ previous : +52-636-(6910000...6919999) next › : +52-636-(6921024...6921663) Dialling Instructions For trunk calls: 1 636 6920000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 636 6920000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6920000 ~ 6921023 (Count: 1,024) Example: +52-636-6920000 / 0052-636-6920000 (01636-6920000 / 01-636-6920000) +52-636-6920001 / 0052-636-6920001 (01636-6920001 / 01-636-6920001) +52-636-6920002 / 0052-636-6920002 (01636-6920002 / 01-636-6920002) +52-636-6920003 / 0052-636-6920003 (01636-6920003 / 01-636-6920003) +52-636-6920004 / 0052-636-6920004 (01636-6920004 / 01-636-6920004) ...+52-636-xxxxxxx / 0052-636-xxxxxxx (01636-xxxxxxx / 01-636-xxxxxxx) ...+52-636-6921019 / 0052-636-6921019 (01636-6921019 / 01-636-6921019) +52-636-6921020 / 0052-636-6921020 (01636-6921020 / 01-636-6921020) +52-636-6921021 / 0052-636-6921021 (01636-6921021 / 01-636-6921021) +52-636-6921022 / 0052-636-6921022 (01636-6921022 / 01-636-6921022) +52-636-6921023 / 0052-636-6921023 (01636-6921023 / 01-636-6921023)