Area Code +52-866-(6970000...6971407) 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 : 6970000 Subscriber Number To : 6971407 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-(6957100...6957399) next › : +52-866-(6971408...6971535) Dialling Instructions For trunk calls: 1 866 6970000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 866 6970000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6970000 ~ 6971407 (Count: 1,408) Example: +52-866-6970000 / 0052-866-6970000 (01866-6970000 / 01-866-6970000) +52-866-6970001 / 0052-866-6970001 (01866-6970001 / 01-866-6970001) +52-866-6970002 / 0052-866-6970002 (01866-6970002 / 01-866-6970002) +52-866-6970003 / 0052-866-6970003 (01866-6970003 / 01-866-6970003) +52-866-6970004 / 0052-866-6970004 (01866-6970004 / 01-866-6970004) ...+52-866-xxxxxxx / 0052-866-xxxxxxx (01866-xxxxxxx / 01-866-xxxxxxx) ...+52-866-6971403 / 0052-866-6971403 (01866-6971403 / 01-866-6971403) +52-866-6971404 / 0052-866-6971404 (01866-6971404 / 01-866-6971404) +52-866-6971405 / 0052-866-6971405 (01866-6971405 / 01-866-6971405) +52-866-6971406 / 0052-866-6971406 (01866-6971406 / 01-866-6971406) +52-866-6971407 / 0052-866-6971407 (01866-6971407 / 01-866-6971407)