КодСтранаРегионГородОператорДобавлено
+13-01СШАMD W Maryland: Silver Spring, Frederick, Camp Spring2013-08-22
+13-01СШАRockville, MD2013-10-18
+130-19-81СШАPrince George'sMount Rainier, MDTw Telecom Of Maryland LLC, Landline2013-10-18