Area Code +52-831-(1001500...1009999) located in El Mante, Tamaulipas (TAM), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 Cell Prefix : 1 National Destination Code : 831 Subscriber Number From : 1001500 Subscriber Number To : 1009999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : OPERADORA UNEFON, S.A. 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 : TAM Region Name : Tamaulipas City : El Mante Timezone : America/Monterrey Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 22.7400 Longitude : -98.9700 ‹ previous : +52-831-(1000000...1001499) next › : +52-831-(1010000...1014999) Dialling Instructions For trunk calls: 1 831 1001500 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 831 1001500 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1001500 ~ 1009999 (Count: 8,500) Example: +52-831-1001500 / 0052-831-1001500 (01831-1001500 / 01-831-1001500) +52-831-1001501 / 0052-831-1001501 (01831-1001501 / 01-831-1001501) +52-831-1001502 / 0052-831-1001502 (01831-1001502 / 01-831-1001502) +52-831-1001503 / 0052-831-1001503 (01831-1001503 / 01-831-1001503) +52-831-1001504 / 0052-831-1001504 (01831-1001504 / 01-831-1001504) ...+52-831-xxxxxxx / 0052-831-xxxxxxx (01831-xxxxxxx / 01-831-xxxxxxx) ...+52-831-1009995 / 0052-831-1009995 (01831-1009995 / 01-831-1009995) +52-831-1009996 / 0052-831-1009996 (01831-1009996 / 01-831-1009996) +52-831-1009997 / 0052-831-1009997 (01831-1009997 / 01-831-1009997) +52-831-1009998 / 0052-831-1009998 (01831-1009998 / 01-831-1009998) +52-831-1009999 / 0052-831-1009999 (01831-1009999 / 01-831-1009999)