CodesBeautify

Billing Postal Code Generator

Pull matching city, state and ZIP combinations for filling billing forms in a test or staging checkout.

Postal codes10 generated
Pittsburgh, PA 15222
Little Rock, AR 72201
Cheyenne, WY 82001
Jacksonville, FL 32202
Buffalo, NY 14202
Louisville, KY 40202
Albuquerque, NM 87102
Richmond, VA 23219
Wichita, KS 67202
Portland, ME 04101
Runs locally in your browser

About the Billing Postal Code Generator

Checkout forms rarely accept a ZIP on its own. Most validators compare the postal code against the state, and some compare it against the city as well, so five random digits fail before the payment step. This generator solves that by drawing complete triples from a list of 85 real downtown codes, one for each major US city, which means Austin, TX 78701 arrives as a set that agrees with itself.

The intended use is filling a staging checkout, a signup form or a seeded database while you develop. Codes are genuine postal codes for city centres, so address validation services that only check format and state prefix will pass them. They are not tied to any person, and they are not a way to bypass a real address verification check on a live payment: card networks compare the postal code with the one held by the issuing bank, which no generator can know.

Generate 85 at once with repeats off to get the whole list for a fixture file, then paste it into the Random CSV Generator workflow or a seed script. If you need the full street line rather than just the code, the Random Address Generator adds a house number and street to the same city data, and the Test Credit Card Number Generator covers the card field beside it.

How to use

  1. Pick how many billing codes you need for your test data.
  2. Keep No repeats on when you want a unique fixture list.
  3. Press Generate, then copy the block into your form, seed file or spreadsheet.
  4. Use the city and state exactly as shown so the postal code still validates.

Common questions

Are these real postal codes?
Yes. Each line uses a genuine downtown ZIP for the city and state beside it, which is what most validators check.
Will these pass a real card payment?
No. A live AVS check compares the code with the address your bank holds for the card, so only your own billing code works there.
Can I use them outside the US?
The list is US only. Other countries use different formats, so a UK or Canadian form will reject a five digit ZIP.
Why does it stop after 85 with repeats off?
The list contains 85 city entries, so that is the maximum number of unique lines a single batch can produce.