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Guides & updates for the US immigration journey

Practical explainers written by people who've been through the process — from decoding your first receipt notice to tracking your case after USCIS approval.

Featured guide

Fundamentals · 5 min read

USCIS receipt numbers explained: IOE, MSC, EAC, WAC, LIN, SRC, NBC, YSC

Every three-letter prefix on a USCIS receipt number tells you which service center is handling your case. Here's what each one means and why the prefix changes.

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Latest articles

Notices · 7 min read

How to read a Notice of Action (NOA) from USCIS

I-797 forms come in five flavors — I-797A through I-797E. Learn what each notice type means, what to save, and what to do next.

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Guide · 9 min read

USCIS vs NVC: how to track your case after approval

When your I-130 or I-140 is approved, your case moves to the National Visa Center. Here's exactly how the handoff works, where to log in, and what to expect next.

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Fundamentals · 6 min read

Understanding USCIS processing times (and why they change)

Processing times are a range, not a promise. Learn how USCIS calculates them, how to interpret the two dates, and when it makes sense to file a case inquiry.

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