'Search for phone numbers'

def list(self, type='local', country='US', region=None, postal_code=None, lata=None, rate_center=None, **kwargs):

    kwargs['in_region'] = kwargs.get('in_region', region)
    kwargs['in_postal_code'] = kwargs.get('in_postal_code', postal_code)
    kwargs['in_lata'] = kwargs.get('in_lata', lata)
    kwargs['in_rate_center'] = kwargs.get('in_rate_center', rate_center)
    params = transform_params(kwargs)
    uri = ('%s/%s/%s' % (self.uri, country, TYPES[type]))
    (resp, page) = self.request('GET', uri, params=params)
    return [self.load_instance(i) for i in page[self.key]]
