Try to average over 1000 zip codes per hour, that's what postal workers have to do.

Enter the zip code into the text box. Do not press enter. Do not enter the dash (-) on 9 digit zip codes, just the numbers.

>84044<

Status

Go ahead and start!

Zip codes per hour.
Last Code Last 5 Codes Last 10 Codes Total
N/A N/A N/A N/A

Total correct codes:

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