Rails - Jul 2010 - Zip code validation w/o using zip code database or javascrip

I want to validate that zip code entered by user is valid or not.

for example user entered 009876654 and it is not valid then an error
message should be given.

I know i can do it using javascript regulr expression or using
ajax-zip-code-database

But i don''t want any of the above. i need some plugin sort of thing
which send request to some online application to check wheather it is
valid or not.I want this because i don''t want to take care if in future
there is change in the zip-codes or new zip-codes get added.

P.S. :- I don''t want to use javascript or using ajax-zip-code-database
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Salil Gaikwad wrote:
> I want to validate that zip code entered by user is valid or not.
> 
> for example user entered 009876654 and it is not valid then an error
> message should be given.
> 
> I know i can do it using javascript regulr expression or using
> ajax-zip-code-database
> 
> But i don''t want any of the above. i need some plugin sort of
thing
> which send request to some online application to check wheather it is
> valid or not.I want this because i don''t want to take care if in
future
> there is change in the zip-codes or new zip-codes get added.
The United States Postal Service has APIs for this, but you must first 
ask permission.

http://www.usps.com/webtools/webtoolsapirequestform.htm
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On Jul 13, 7:47 am, Salil Gaikwad
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> I want to validate that zip code entered by user is valid or not.
>
> for example user entered 009876654 and it is not valid then an error
> message should be given.
>
> I know i can do it using javascript regulr expression or using
> ajax-zip-code-database
>
> But i don''t want any of the above. i need some plugin sort of
thing
> which send request to some online application to check wheather it is
> valid or not.I want this because i don''t want to take care if in
future
> there is change in the zip-codes or new zip-codes get added.
>
> P.S. :- I don''t want to use javascript or using
ajax-zip-code-database
I think it depends entirely on what you''re planning to do with the zip
code afterwards.

- If you''re intending to feed it (along with the address, city and
state) to a geocoder, most of those will complain if the zip isn''t
valid.

- If you''re trying to autofill city and state, you''re in for a
tough
time. See the discussion here:

http://en.wikipedia.org/wiki/Postal_codes_in_the_United_States

for a hint at the complexities involved.

- If you''re just planning on storing it and showing it later, without
interpreting it, you''re probably just better off cleaning it up to 5
digits (or 9, if you need Zip+4 - some people won''t know it...) and
not worrying about it.

To further add to the confusion, will your application have any
Canadian users?

--Matt Jones

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Try using the GoMaps gem:

http://github.com/gonow/go_maps

With it you can do something like this:

Address.new("009876654").exists?

cheers

On Thu, Jul 15, 2010 at 10:23 PM, Matt Jones
<al2o3cr-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
>
> On Jul 13, 7:47 am, Salil Gaikwad
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
> > I want to validate that zip code entered by user is valid or not.
> >
> > for example user entered 009876654 and it is not valid then an error
> > message should be given.
> >
> > I know i can do it using javascript regulr expression or using
> > ajax-zip-code-database
> >
> > But i don''t want any of the above. i need some plugin sort of
thing
> > which send request to some online application to check wheather it is
> > valid or not.I want this because i don''t want to take care if
in future
> > there is change in the zip-codes or new zip-codes get added.
> >
> > P.S. :- I don''t want to use javascript or using
ajax-zip-code-database
>
> I think it depends entirely on what you''re planning to do with the
zip
> code afterwards.
>
> - If you''re intending to feed it (along with the address, city and
> state) to a geocoder, most of those will complain if the zip isn''t
> valid.
>
> - If you''re trying to autofill city and state, you''re in
for a tough
> time. See the discussion here:
>
> http://en.wikipedia.org/wiki/Postal_codes_in_the_United_States
>
> for a hint at the complexities involved.
>
> - If you''re just planning on storing it and showing it later,
without
> interpreting it, you''re probably just better off cleaning it up to
5
> digits (or 9, if you need Zip+4 - some people won''t know it...)
and
> not worrying about it.
>
> To further add to the confusion, will your application have any
> Canadian users?
>
> --Matt Jones
>
> --
> You received this message because you are subscribed to the Google Groups
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>
>

-- 
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On 16 July 2010 02:23, Matt Jones
<al2o3cr-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
>
> On Jul 13, 7:47 am, Salil Gaikwad
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
>> I want to validate that zip code entered by user is valid or not.
>...
> To further add to the confusion, will your application have any
> Canadian users?
Or any other country with different format zip codes, the UK for example?

Colin

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Colin Law wrote:
> On 16 July 2010 02:23, Matt Jones
<al2o3cr-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>>
>>
>> On Jul 13, 7:47�am, Salil Gaikwad
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
>>> I want to validate that zip code entered by user is valid or not.
>>...
>> To further add to the confusion, will your application have any
>> Canadian users?
> 
> Or any other country with different format zip codes, the UK for 
> example?
> 
> Colin
At the moment i just want it for the US Only
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