+52-81-(20560000...20569999): Santa Catarina, Nuevo León (NLE) Read more about +52-81-(20560000...20569999)
+52-81-(20570000...20570999): Santiago, Nuevo León (NLE) Read more about +52-81-(20570000...20570999)
+52-81-(20571000...20571999): El Carmen, Nuevo León (NLE) Read more about +52-81-(20571000...20571999)
+52-81-(20572000...20572999): Salinas Victoria, Nuevo León (NLE) Read more about +52-81-(20572000...20572999)
+52-81-(20590000...20599999): Monterrey, Nuevo León (NLE) Read more about +52-81-(20590000...20599999)
+52-81-(20600000...20609999): Guadalupe, Nuevo León (NLE) Read more about +52-81-(20600000...20609999)
+52-81-(20610000...20619999): General Escobedo, Nuevo León (NLE) Read more about +52-81-(20610000...20619999)