Area Code +52-444-(1013000...1013299) 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 : 1013000 Subscriber Number To : 1013299 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-(1010000...1012999) next › : +52-444-(1014000...1014255) Dialling Instructions For trunk calls: 1 444 1013000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 444 1013000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1013000 ~ 1013299 (Count: 300) Example: +52-444-1013000 / 0052-444-1013000 (01444-1013000 / 01-444-1013000) +52-444-1013001 / 0052-444-1013001 (01444-1013001 / 01-444-1013001) +52-444-1013002 / 0052-444-1013002 (01444-1013002 / 01-444-1013002) +52-444-1013003 / 0052-444-1013003 (01444-1013003 / 01-444-1013003) +52-444-1013004 / 0052-444-1013004 (01444-1013004 / 01-444-1013004) ...+52-444-xxxxxxx / 0052-444-xxxxxxx (01444-xxxxxxx / 01-444-xxxxxxx) ...+52-444-1013295 / 0052-444-1013295 (01444-1013295 / 01-444-1013295) +52-444-1013296 / 0052-444-1013296 (01444-1013296 / 01-444-1013296) +52-444-1013297 / 0052-444-1013297 (01444-1013297 / 01-444-1013297) +52-444-1013298 / 0052-444-1013298 (01444-1013298 / 01-444-1013298) +52-444-1013299 / 0052-444-1013299 (01444-1013299 / 01-444-1013299)