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USPS Guide: Postal Codes, Delivery & Address Validation

Box marked with dollar signs and warning triangle, surrounded by icons representing fuel pump, phone, and shield, with a rising cost graph in the background, illustrating shipping cost validation and logistics.

I looked at over a dozen DTC shipping invoices this week. The 5.9% GRI isn’t what’s killing their margins. It’s the other …

USA map displaying postal codes by state, highlighting geographic regions and alphanumeric ranges for effective address validation.

Postal codes are more than just strings of alphanumeric characters – they represent entire communities, cities and localities. This resilient geographic identifier …

USPS employee handling Priority Mail package in postal facility with stacked boxes in background.

The USPS offers a more cost-efficient delivery service for PO Boxes than street addresses. Instead of transporting letters from the post office …

UPS delivery truck parked outside a retail store, loaded with packages and boxes, showcasing the importance of efficient address verification for e-commerce deliveries.

At the core of every e-commerce business the need to properly validate a customer’s address is critical to ensure the shipment reaches …