КодСтранаРегионГородОператорДобавлено
+13-01СШАMD W Maryland: Silver Spring, Frederick, Camp Spring2013-08-22
+13-01СШАRockville, MD2013-10-18
+130-16-66СШАPrince George'sGlenn Dale, MDTeleport Communications Group - DC, Landline2013-10-18