Area Code +52-444-(1028000...1029999) 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 : 1028000 Subscriber Number To : 1029999 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 : 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-(1025000...1027999) next › : +52-444-(1030000...1038999) Dialling Instructions For trunk calls: 1 444 1028000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 444 1028000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1028000 ~ 1029999 (Count: 2,000) Example: +52-444-1028000 / 0052-444-1028000 (01444-1028000 / 01-444-1028000) +52-444-1028001 / 0052-444-1028001 (01444-1028001 / 01-444-1028001) +52-444-1028002 / 0052-444-1028002 (01444-1028002 / 01-444-1028002) +52-444-1028003 / 0052-444-1028003 (01444-1028003 / 01-444-1028003) +52-444-1028004 / 0052-444-1028004 (01444-1028004 / 01-444-1028004) ...+52-444-xxxxxxx / 0052-444-xxxxxxx (01444-xxxxxxx / 01-444-xxxxxxx) ...+52-444-1029995 / 0052-444-1029995 (01444-1029995 / 01-444-1029995) +52-444-1029996 / 0052-444-1029996 (01444-1029996 / 01-444-1029996) +52-444-1029997 / 0052-444-1029997 (01444-1029997 / 01-444-1029997) +52-444-1029998 / 0052-444-1029998 (01444-1029998 / 01-444-1029998) +52-444-1029999 / 0052-444-1029999 (01444-1029999 / 01-444-1029999)