Re: Delivery Point Barcodes

The DPBC (delivery point parcode) is *almost* the last two digits of the house 
number.
Quoting from the USPS publication "Designing Letter Mail:"

" The DPBC is formed by adding 10 bars to an existing ZIP+4 barcode.  
The 10 bars represent two additional digits (normally the last two digits 
of the street address, post office box, rural route number or highway 
contract route number).  Domestic Mail Manual C840 contains address 
coding rules for the DPBC, including rules for handling address anomalies."


The USPS will probably accept your mail with an improper DPBC.  
They'll probably even deliver it to the right place (if it's First Class).  
But if a letter carrier gets too many mailpieces out of order (either bad 
barcode 
or improper sorting and traying), he'll complain, and then you can be sure that 
your phone will ring and the USPS will *require* you to demonstrate that your 
mail software is CASS certified before accepting any more of your barcoded 
pieces at a discount.

>In a message dated 97-06-13 15:08:35 EDT, you write:
>
>> The problem is that the postnet barcode is not simply built over the ZIP+4..
> 
>> There is an additional field called the Delivery Point.  (There's one more 
>> that the USPS requires; it's a check digit.  DDS will generate the check 
>> digit for you.)  The problem with the delivery point is that you probably
>>don't have it in your database. 
>
>However, it is just the last two digits of the numeric portion of the street
>address, so it is not too hard to calculate.  

Buck Calabro
Commsoft        
mcalabro@commsoft.net

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