КодСтранаРегионГородОператорДобавлено
+12-81СШАTX Texas: Houston Metro (split 713; overlay 832)2013-08-22
+12-81СШАHouston, TX2013-10-18
+128-18-85СШАHarrisHouston, TXTeleport Communications Group - Houston, Landline2013-10-18