The politicians will gerrymander about grouping zipcodes and argue about what zipcodes to combine into districts,   but they should not be allowed to draw borders.  Let them fight over which whole zip codes to combine. And FAIR BOUNDARIES DO NOT SOLVE REGISTRATIONS AND FRAUD ISSUES. Remember, the USPS already has addresses and verification of residency and so on. They are delivering mail to people, they know the territory, they get "addressee unknown" and "no longer at this address", they do passports.  So the VOTER LEGITIMACY and REGISTRATION and TALLYING issues are solved this way.   The post office is going to know if a voter is dead or the address is frudulent, and so on.