Area Code +52-866-(1054000...1055999) 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 : 1054000 Subscriber Number To : 1055999 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-(1050000...1053999) next › : +52-866-(1056000...1059999) Dialling Instructions For trunk calls: 1 866 1054000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 866 1054000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1054000 ~ 1055999 (Count: 2,000) Example: +52-866-1054000 / 0052-866-1054000 (01866-1054000 / 01-866-1054000) +52-866-1054001 / 0052-866-1054001 (01866-1054001 / 01-866-1054001) +52-866-1054002 / 0052-866-1054002 (01866-1054002 / 01-866-1054002) +52-866-1054003 / 0052-866-1054003 (01866-1054003 / 01-866-1054003) +52-866-1054004 / 0052-866-1054004 (01866-1054004 / 01-866-1054004) ...+52-866-xxxxxxx / 0052-866-xxxxxxx (01866-xxxxxxx / 01-866-xxxxxxx) ...+52-866-1055995 / 0052-866-1055995 (01866-1055995 / 01-866-1055995) +52-866-1055996 / 0052-866-1055996 (01866-1055996 / 01-866-1055996) +52-866-1055997 / 0052-866-1055997 (01866-1055997 / 01-866-1055997) +52-866-1055998 / 0052-866-1055998 (01866-1055998 / 01-866-1055998) +52-866-1055999 / 0052-866-1055999 (01866-1055999 / 01-866-1055999)