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How to send mail to Representative John Cabello

To write to Representative John Cabello, the Republican representative representing Illinois's 90th legislative district, address your letter to The Honorable John Cabello, Illinois House of Representatives, 1700 Hutchins Road Unit B, Machesney Park, IL 61115. This is Cabello's standing constituent-mail address — reachable year-round, unlike a capitol-session address. Say who you are, keep it to one issue, and make a clear ask.

Illinois House of Representatives — district office

The Honorable John Cabello
Illinois House of Representatives
1700 Hutchins Road Unit B
Machesney Park, IL  61115

The address Illinois's legislature publishes for John Cabello's constituent mail — reachable year-round, including when the legislature is out of session.

Verified September 2026ilga.govopenstates.org

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The Honorable John CabelloIllinois House of Representatives1700 Hutchins Road Unit BMachesney Park, IL 61115

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Key facts

  • Address mail to The Honorable John Cabello, Illinois House of Representatives, 1700 Hutchins Road Unit B, Machesney Park, IL 61115. Letters you send need normal postage.
  • John Cabello is the Republican representative representing Illinois's 90th legislative district.
  • Say who you are and where you live: include your full name and home address so Cabello's office can confirm you're a constituent — that's who casework and replies are prioritized for.
  • This is Cabello's standing constituent-mail address, not the state capitol — it's reachable year-round, including when the legislature is out of session, so it's the more reliable address for mail.
  • One clear ask per letter — support or oppose a specific bill, request help with a state agency, or ask for a meeting. A short, specific letter gets a real reply; a multi-issue letter gets a form response.
  • Find Cabello's official page and other contact options at https://ilga.gov/house/Rep.asp?GA=101&MemberID=2607.
  • PostPal prints your letter and hands it to USPS the next business day for $5 — no printer, envelope, or stamps.

How to send your letter

  1. 1

    Confirm John Cabello is your representative

    John Cabello represents District 90 in the Illinois House of Representatives. If you're not sure which district you live in, look it up by address on your state legislature's website before writing.

  2. 2

    Say who you are and where you live

    Open with your full name, street address, and ZIP code. Legislative offices sort mail by whether the writer is a constituent — your address is how they confirm it.

  3. 3

    Keep it to one issue with a clear ask

    One page, one topic, one specific request — support or oppose a named bill, take a position, or ask for help with a state agency. Specific beats broad.

  4. 4

    Send it without printing anything

    Write your letter in PostPal with John Cabello's address prefilled and we print, envelope, and mail it via USPS the next business day for $5 — with a dated confirmation email.

Common questions

What is Representative John Cabello's mailing address?

The Honorable John Cabello, Illinois House of Representatives, 1700 Hutchins Road Unit B, Machesney Park, IL 61115. This is Cabello's district office; letters need normal postage.

Why a district office and not the state capitol?

Most state legislatures are only in session part of the year, and capitol-office assignments can change every session. The district office is Cabello's standing, year-round address — the one Illinois's legislature itself publishes for constituent mail.

Do I have to live in Cabello's district to write?

Anyone can write, but Cabello's office prioritizes constituents for casework and replies. If you live in the district, say so and include your address.

Will John Cabello actually read my letter?

Constituent mail is logged by staff and tallied on issues that come up repeatedly. Include your return address (PostPal prints yours automatically) so a reply has somewhere to go.

Sources

Addresses verified September 2026 against official sources. Always confirm on the official site before time-sensitive filings.

See the full Illinois state legislators rules — what you can and can’t send, photos & more →

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