Laravel Zipcode is a package to provide zipcode consult and validation.
Add the following line in the composer.json file
"renatoneto/laravel4-cep": "dev-master"
Run composer update command
Add the service provider in config/app.php
'providers' => array(
'Illuminate\Foundation\Providers\ArtisanServiceProvider',
'Illuminate\Auth\AuthServiceProvider',
'Illuminate\Cache\CacheServiceProvider',
'Illuminate\Session\CommandsServiceProvider',
...
'Skape\Zipcode\ZipcodeServiceProvider',
),
...