Area Code +52-671-(7640000...7640383) located in Viesca, Coahuila (COA), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 671 Subscriber Number From : 7640000 Subscriber Number To : 7640383 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 : Viesca Timezone : America/Monterrey Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 25.3400 Longitude : -102.8100 ‹ previous : +52-671-(7639000...7639149) next › : +52-671-(7640384...7640533) Dialling Instructions For trunk calls: 1 671 7640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 671 7640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7640000 ~ 7640383 (Count: 384) Example: +52-671-7640000 / 0052-671-7640000 (01671-7640000 / 01-671-7640000) +52-671-7640001 / 0052-671-7640001 (01671-7640001 / 01-671-7640001) +52-671-7640002 / 0052-671-7640002 (01671-7640002 / 01-671-7640002) +52-671-7640003 / 0052-671-7640003 (01671-7640003 / 01-671-7640003) +52-671-7640004 / 0052-671-7640004 (01671-7640004 / 01-671-7640004) ...+52-671-xxxxxxx / 0052-671-xxxxxxx (01671-xxxxxxx / 01-671-xxxxxxx) ...+52-671-7640379 / 0052-671-7640379 (01671-7640379 / 01-671-7640379) +52-671-7640380 / 0052-671-7640380 (01671-7640380 / 01-671-7640380) +52-671-7640381 / 0052-671-7640381 (01671-7640381 / 01-671-7640381) +52-671-7640382 / 0052-671-7640382 (01671-7640382 / 01-671-7640382) +52-671-7640383 / 0052-671-7640383 (01671-7640383 / 01-671-7640383)