КодСтранаРегионГородОператорДобавлено
+1 240 СШАMD W Maryland: Silver Spring, Frederick, Gaithersbur2013-08-22
+1 240 СШАGaithersburg, MD2013-10-18
+1 240 270СШАPrince George'sGlenn Dale, MDTidalwave Telephone Inc, Landline2013-10-18