ISC New York (Jersey City, NJ 099) — the USPS International Service Center — processes inbound/outbound international mail. Typical dwell times:
| Mail Class | Typical ISC Processing | Total Delivery (Est.) |
|---|---|---|
| First-Class Mail International | 1–3 business days | 7–21 business days |
| Priority Mail International | 1–2 business days | 6–10 business days |
| Priority Mail Express International | Same day – 1 day | 3–5 business days |
| Global Forever / Letter | 1–3 business days | 10–20 business days |
| ISAL / ePacket | 1–2 business days | 10–15 business days |
Shipper: Use electronic customs data (CN22/CP72), accurate HS codes, declared value. Recipient: Monitor tracking; have ID ready for customs fees.