def fetch(self, origination_number=values.unset):
        """
        Fetch a NumberInstance

        :param unicode origination_number: The origination number for which to fetch pricing information

        :returns: Fetched NumberInstance
        :rtype: twilio.rest.pricing.v2.voice.number.NumberInstance
        """
        return self._proxy.fetch(origination_number=origination_number, )
Fetch a NumberInstance

        :param unicode origination_number: The origination number for which to fetch pricing information

        :returns: Fetched NumberInstance
        :rtype: twilio.rest.pricing.v2.voice.number.NumberInstance