Area Code +52-444-(2580000...2589999) located in San Luis Potosí, San Luis (SLP), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 444 Subscriber Number From : 2580000 Subscriber Number To : 2589999 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 : GRUPO DE TELECOMUNICACIONES MEXICANAS, 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 : SLP Region Name : San Luis City : San Luis Potosí Timezone : America/Mexico_City Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 22.1500 Longitude : -100.9800 ‹ previous : +52-444-(2570000...2579999) next › : +52-444-(2590000...2590999) Dialling Instructions For trunk calls: 1 444 2580000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 444 2580000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2580000 ~ 2589999 (Count: 10,000) Example: +52-444-2580000 / 0052-444-2580000 (01444-2580000 / 01-444-2580000) +52-444-2580001 / 0052-444-2580001 (01444-2580001 / 01-444-2580001) +52-444-2580002 / 0052-444-2580002 (01444-2580002 / 01-444-2580002) +52-444-2580003 / 0052-444-2580003 (01444-2580003 / 01-444-2580003) +52-444-2580004 / 0052-444-2580004 (01444-2580004 / 01-444-2580004) ...+52-444-xxxxxxx / 0052-444-xxxxxxx (01444-xxxxxxx / 01-444-xxxxxxx) ...+52-444-2589995 / 0052-444-2589995 (01444-2589995 / 01-444-2589995) +52-444-2589996 / 0052-444-2589996 (01444-2589996 / 01-444-2589996) +52-444-2589997 / 0052-444-2589997 (01444-2589997 / 01-444-2589997) +52-444-2589998 / 0052-444-2589998 (01444-2589998 / 01-444-2589998) +52-444-2589999 / 0052-444-2589999 (01444-2589999 / 01-444-2589999)