Area Code +52-866-(6975000...6975999) located in Castaños, Coahuila (COA), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 866 Subscriber Number From : 6975000 Subscriber Number To : 6975999 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 : COA Region Name : Coahuila City : Castaños Timezone : America/Monterrey Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 26.7900 Longitude : -101.4300 ‹ previous : +52-866-(6971536...6972999) next › : +52-866-(6976000...6978799) Dialling Instructions For trunk calls: 1 866 6975000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 866 6975000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6975000 ~ 6975999 (Count: 1,000) Example: +52-866-6975000 / 0052-866-6975000 (01866-6975000 / 01-866-6975000) +52-866-6975001 / 0052-866-6975001 (01866-6975001 / 01-866-6975001) +52-866-6975002 / 0052-866-6975002 (01866-6975002 / 01-866-6975002) +52-866-6975003 / 0052-866-6975003 (01866-6975003 / 01-866-6975003) +52-866-6975004 / 0052-866-6975004 (01866-6975004 / 01-866-6975004) ...+52-866-xxxxxxx / 0052-866-xxxxxxx (01866-xxxxxxx / 01-866-xxxxxxx) ...+52-866-6975995 / 0052-866-6975995 (01866-6975995 / 01-866-6975995) +52-866-6975996 / 0052-866-6975996 (01866-6975996 / 01-866-6975996) +52-866-6975997 / 0052-866-6975997 (01866-6975997 / 01-866-6975997) +52-866-6975998 / 0052-866-6975998 (01866-6975998 / 01-866-6975998) +52-866-6975999 / 0052-866-6975999 (01866-6975999 / 01-866-6975999)