TripTrace Blog
Guides and resources for green card holders applying for US citizenship.
How to Find Your Travel History for the N-400 Application
A complete guide to reconstructing your 5-year travel history for your N-400 citizenship application. Learn every method — from passport stamps to credit card statements to digital tools.
Why the I-94 Website Doesn't Work for Green Card Holders
If you're a green card holder trying to get your travel history from the I-94 website, you've probably hit a wall. Here's why — and what to do instead.
N-400 Part 8 Travel History: How to Fill It Out Correctly
Part 8 of the N-400 asks for every trip outside the US in the last 5 years. This guide walks you through exactly what USCIS wants and how to avoid common mistakes.
How to Request Your Travel Records from CBP (FOIA for LPRs)
You can submit a FOIA request to CBP to get your official entry/exit records. Here's exactly how to do it, what you'll get back, and how long it takes.
Physical Presence Calculator: Do You Qualify for Citizenship?
USCIS requires you to have been physically present in the US for at least 30 months out of the last 5 years. Here's how to calculate your physical presence and make sure you qualify.
N-400 Denied for Wrong Travel Dates? Here's What Happened
Getting your travel dates wrong on the N-400 can lead to a denial. Learn what triggers a denial, how USCIS cross-checks your dates, and how to avoid this mistake.
Using Google Maps Timeline to Find Travel Dates for Citizenship
Google Maps Timeline can help you find old travel dates, but it has significant limitations. Here's how to use it and when you need something more reliable.
Tracking Canada & Mexico Border Crossings for Your N-400
Land border crossings to Canada and Mexico are notoriously hard to document. No flight records, often no stamps. Here's how to find evidence of every crossing.
How Long Does the N-400 Take? A Timeline from Filing to Oath
From filing to interview to oath ceremony — here's a realistic timeline for the N-400 naturalization process and what you can do while you wait.
TripTrace vs. Doing It Yourself: Which Is Right for You?
Should you spend hours reconstructing your travel history manually, or let TripTrace do it in minutes? An honest comparison of both approaches.