ISL Education Lending mailing address
To mail a letter or form to ISL Education Lending — which services its own private student loans (formerly Iowa Student Loan) — send it to ISL Education Lending, PO Box 659703, West Des Moines, IA 50265-0970. ISL Education Lending, formerly known as Iowa Student Loan, is a nonprofit lender based in West Des Moines, Iowa, that originates and services its own private student and refinance loans. Use this address for general correspondence, deferment/forbearance and income-driven repayment paperwork, and discharge or forgiveness claims. Payments often go to a separate address, so check your statement or ISL Education Lending's official contact page before mailing one.
ISL Education Lending — correspondence address
ISL Education Lending PO Box 659703 West Des Moines IA 50265-0970
General correspondence, deferment/forbearance and income-driven repayment paperwork, and discharge or forgiveness claims for its own private student loans (formerly Iowa Student Loan). Confirm before mailing a payment — servicers often use a separate payment-only address or lockbox.
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ISL Education LendingPO Box 659703West Des Moines, IA 50265-0970
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Key facts
- This is ISL Education Lending's published correspondence address, taken from its own contact page.
- ISL Education Lending services its own private student loans (formerly Iowa Student Loan).
- Use it for general correspondence, forms, and claims — not necessarily for payments, which many servicers route to a separate address.
- Include your loan or account number on the form itself, not just the envelope or a cover letter.
- Many forms can also be submitted through the servicer's online account portal, which is usually faster than mail.
- PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.
How to send your letter
- 1
Check whether it can go through your online account first
Most servicers, including ISL Education Lending, process forms faster through their online borrower portal than by mail. Use paper when a form needs a wet signature, you can't access the portal, or ISL Education Lending has specifically asked you to mail something.
- 2
Include your loan/account number on everything
Write your full name and loan or account number on the form itself and on any cover letter — loose pages that fall out of an envelope are the most common reason mailed paperwork gets delayed or lost.
- 3
Address it to the correspondence office
First line: ISL Education Lending. Then: PO Box 659703. Then the city line: West Des Moines IA 50265-0970.
- 4
Send it with PostPal
Write or upload your letter or form to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.
Common questions
What is the ISL Education Lending mailing address?
ISL Education Lending, PO Box 659703, West Des Moines, IA 50265-0970. This is ISL Education Lending's published correspondence address for general mail — forms, letters, and paperwork. Confirm it on ISL Education Lending's official contact page before anything time-sensitive, since servicers sometimes use a different address for payments and can relocate.
What does ISL Education Lending service?
ISL Education Lending, formerly known as Iowa Student Loan, is a nonprofit lender based in West Des Moines, Iowa, that originates and services its own private student and refinance loans.
Can I mail a payment to this address?
Check first — many servicers, including federal loan servicers, route payments to a separate PO box or lockbox from the one used for general correspondence and forms. The address above is for correspondence; look up your specific payment address on ISL Education Lending's official contact page or your monthly statement before mailing a check.
Where do I mail a deferment, forbearance, or income-driven repayment form?
Send it to the address above, addressed to ISL Education Lending. Include your loan or account number on the form itself, since separated cover letters and forms can get processed out of order. Many of these forms can also be submitted through your online account, which is usually faster.
How do I mail ISL Education Lending a letter without a printer?
Write or upload your letter to PostPal. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.
Sources
Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.