Area Code +52-866-(1056000...1059999) located in Monclova, 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 : 1056000 Subscriber Number To : 1059999 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 : Monclova Timezone : America/Monterrey Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 26.9000 Longitude : -101.4200 ‹ previous : +52-866-(1054000...1055999) next › : +52-866-(1060000...1064999) Dialling Instructions For trunk calls: 1 866 1056000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 866 1056000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1056000 ~ 1059999 (Count: 4,000) Example: +52-866-1056000 / 0052-866-1056000 (01866-1056000 / 01-866-1056000) +52-866-1056001 / 0052-866-1056001 (01866-1056001 / 01-866-1056001) +52-866-1056002 / 0052-866-1056002 (01866-1056002 / 01-866-1056002) +52-866-1056003 / 0052-866-1056003 (01866-1056003 / 01-866-1056003) +52-866-1056004 / 0052-866-1056004 (01866-1056004 / 01-866-1056004) ...+52-866-xxxxxxx / 0052-866-xxxxxxx (01866-xxxxxxx / 01-866-xxxxxxx) ...+52-866-1059995 / 0052-866-1059995 (01866-1059995 / 01-866-1059995) +52-866-1059996 / 0052-866-1059996 (01866-1059996 / 01-866-1059996) +52-866-1059997 / 0052-866-1059997 (01866-1059997 / 01-866-1059997) +52-866-1059998 / 0052-866-1059998 (01866-1059998 / 01-866-1059998) +52-866-1059999 / 0052-866-1059999 (01866-1059999 / 01-866-1059999)