Sub GetStateNames()
Dim cell As Range    
    For Each cell In Range("j:j")       
       	If cell.Value <> "" Then
            cell.Value = abc(cell.Value)	
        End If	
    Next cell	
End Sub
Function abc(cells)
Select cell
Case "AL"
return "Alabama"
Case "AK"
return "Alaska"
Case "AZ"
return "Arizona"
Case "AR"
return "Arkansas"
Case "CA"
return "California"
Case "CO"
return "Colorado"
Case "CT"
return "Connecticut"
Case "DE"
return "Delaware"
Case "FL"
return "Florida"
Case "GA"
return "Georgia"
Case "HI"
return "Hawaii"
Case "ID"
return "Idaho"
Case "IL"
return "Illinois"
Case "IN"
return "Indiana"
Case "IA"
return "Iowa"
Case "KS"
return "Kansas"
Case "KY"
return "Kentucky"
Case "LA"
return "Louisiana"
Case "ME"
return "Maine"
Case "MD"
return "Maryland"
Case "MA"
return "Massachusetts"
Case "MI"
return "Michigan"
Case "MS"
return "Mississippi"
Case "MO"
return "Missouri"
Case "MN"
return "Minnesota"
Case "MT"
return "Montana"
Case "NE"
return "Nebraska"
Case "NV"
return "Nevada"
Case "NH"
return "New Hampshire"
Case "NJ"
return "New Jersey"
Case "NM"
return "New Mexico"
Case "NY"
return "New York"
Case "NC"
return "North Carolina"
Case "ND"
return "North Dakota"
Case "OH"
return "Ohio"
Case "OK"
return "Oklahoma"
Case "OR"
return "Oregon"
Case "PA"
return "Pennsylvania"
Case "RI"
return "Rhode Island"
Case "SC"
return "South Carolina"
Case "SD"
return "South Dakota"
Case "TN"
return "Tennessee"
Case "TX"
return "Texas"
Case "UT"
return "Utah"
Case "VT"
return "Vermont"
Case "VA"
return "Virginia"
Case "WA"
return "Washington"
Case "WV"
return "West Virginia"
Case "WI"
return "Wisconsin"
Case "WY"
return "Wyoming"
Case else
return cells
End Select
End Function