Practice Test Geeks(CASS) Coding Accuracy Support System Certification Practice Test
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CASS Delivery Point Barcode Standards 4

A mailer prints a DPBC using the ZIP Code, plus-4 code, and delivery point.
If the ZIP+4 is unknown, what fallback is permitted for POSTNET?

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. postalpro.usps.com — Test delivery, eligibility, exam format, renewal, score validity, passing score, score release · verified Oct 2026
  2. pe.usps.com — Fees · verified Oct 2026