A quick reminder for customers visiting U.S. Post Offices—and other similarly situated public-facing organizations: local policies may require exact cash only for certain transactions.
Many post office counters do not keep large amounts of cash on hand and may be unable to provide change for large bills. In addition, some locations have limited tools for detecting counterfeit currency, particularly when a transaction involves purchasing low-cost items like stamps and receiving significant change in return. To reduce risk and keep lines moving efficiently, clerks may decline large-denomination bills altogether.
What you can do before you arrive:
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Bring exact change when paying with cash
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Use credit/debit cards or other accepted electronic payment methods when available
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Avoid attempting to break large bills for small purchases
Bottom Line
These policies help protect employees, ensure compliance with local procedures, and speed up service for everyone. A little preparation goes a long way toward a smooth visit at the counter.
Staying mindful of these practical limitations helps keep essential public services running smoothly and reduces frustration for everyone involved.
— Steve
