Domestic shipping refers to the transportation of goods within a single country — origin and destination are both within the same nation’s borders. In the United States, domestic shipping encompasses parcel delivery (UPS, FedEx, USPS), LTL and truckload freight, rail, and air cargo moving between U.S. locations, without crossing international borders or triggering import/export documentation and customs requirements.
Domestic vs. International Shipping
Domestic shipments are simpler from a compliance standpoint — no customs declarations, import duties, or international shipping documentation (commercial invoice, certificate of origin, customs entry) are required. Carrier liability frameworks (Carmack Amendment for domestic freight), rate structures, and transit times are typically more predictable than international shipments, which are subject to customs delays, currency risk, and international carrier liability conventions.
Domestic Shipping Cost Drivers
For domestic parcel, the primary cost drivers are shipping zone (distance between origin and destination ZIP codes), package weight and dimensions (actual vs. dimensional weight), service level (ground vs. express), and surcharges (fuel, residential, delivery area). For domestic LTL, the key drivers are freight class, weight, lane (origin-destination market), and carrier discount level.