КодСтранаРегионГородОператорДобавлено
+1 623 СШАAZ Arizona: West Phoenix (see 520; also Phoenix spli2013-08-22
+1 623 СШАPhoenix, AZ2013-10-18
+1 623 344СШАMaricopaScottsdale, AZMountain Telecommunications - Clec, Landline2013-10-18