Free or reduced fee legal help might be available for those that qualify. Click below or call 866-637-5341 to check eligibility.We've put together this guide to help you post bond and bail someone out of the 4th Ave jail. We'll cover: how to pay, where to go, and more. You will need to contact the holding facility to determine where you can post the bond. Normally it will be at the jail. Arizona addressed the issue of catch and release programs and letting people out of jail without posting bail. You must know the booking number for the inmate. Obtain a postal money order, a Western Union money order, or a cashier's check in the exact amount of the bond. Frequently asked questions on Bail Bonds in Phoenix.