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OSM Worldwide customer service

Customer service email
info@osmworldwide.com
Customer support
www.osmworldwide.com
Corporate office
One Stop Mailing LLC (OSM Worldwide), 601 Regency Dr, Unit B, Glendale Heights, IL 60139, United States
Social media
LinkedIn

Contact details checked on 13 Nov 2026

OSM Worldwide tracking statuses explained

What your OSM Worldwide tracking really means, how long it usually lasts and when to act if your package is late or missing.

All OSM Worldwide tracking statuses →

Why use our complaint platform?

01

Written in minutes

We help you write an effective complaint in minutes. Our AI cyber hornets are trained on thousands of complaint letters that actually worked.

02

We will make some noise!

Your complaint gets the attention it deserves. Our cyber hornets could post it on social media, send it by printed letter or use other escalation tools at our disposal.

03

Your personal case coach

Our AI models open a case file and keep coaching after you file: what to reply, when to push, and how to escalate if nothing happens.

04

You are not alone

Join 73,608 consumers who refused to be ignored. Our community is there for advice while you chase your resolution.

Is OSM Worldwide legit?

Legit, mixed reviews

Behind that unfamiliar name on your tracking page is OSM Worldwide, a genuine shipper that online stores pay to move parcels until a delivery partner, usually the Postal Service, takes over. Tracking tends to stall at that handoff, and for lost or damaged items OSM sends you back to the store you bought from.

What we checked

  • Founded in Chicago in 2003
  • Head office in Glendale Heights, Illinois
  • Ratings on other review websites: 1/5

Watch out for

  • Tracking that reads "Picked Up by Shipping Partner" while the store has not yet handed the parcel over.
  • A parcel shown as delivered by the last-mile carrier that is not at your door or with a neighbor.
  • A damaged, missing or wrong item, which OSM's own FAQ leaves to the store you bought from.

Has your OSM tracking stopped moving?

We help you write it, it gets its own public page, and you can have it sent to OSM Worldwide as a formal letter.

File a OSM Worldwide complaint

Common customer service questions about OSM Worldwide

How do I file a complaint about OSM Worldwide?

Do you have a dispute or a bad customer experience with OSM Worldwide? Report it through our website to maximize the chance of getting it resolved.

We help you write an effective complaint in minutes. Our AI models are trained on thousands of effective complaint letters. Then we push it through emails, social media, paper complaint letters and other tools at our disposal. And you are not alone: our helpful community is there for advice.

How do I contact OSM Worldwide about a package?

OSM Worldwide takes general enquiries by email at info@osmworldwide.com, and its contact page sends package questions to its Track a Package page and its FAQs. OSM's FAQ says the merchant you bought from handles delays, missing or damaged items, refunds and address changes, because the merchant is OSM's customer and can help with replacements, refunds and further order support. Write to both with the tracking number, the order number and the merchant's name, and keep screenshots of the tracking history.

Parcel stuck between OSM and the merchant? Start your complaint here as well: we push it out to OSM Worldwide by email, social media, printed letters and every other tool at our disposal.

How do I track an OSM Worldwide package?

OSM Worldwide packages are tracked on the Track a Package page of the OSM website with the tracking number from your shipping confirmation, and OSM says tracking updates stay available there until final delivery. OSM moves the parcel through its own network and then hands it to a last-mile partner, usually the US Postal Service, which makes the actual delivery, and tracking can pause for a short while during that handoff. Where the tracking page offers it after an attempted delivery, you can also update delivery instructions there.

Keep a screenshot of each tracking update with its date, because that history is what the merchant needs if the parcel goes missing.

What do I do if my OSM Worldwide package says delivered but I did not get it?

OSM Worldwide's FAQ asks recipients of a package marked delivered but not found to check with neighbors, building staff and others in the household, and then to contact the merchant they bought from, which can arrange a replacement or refund. The delivery itself is made by OSM's last-mile partner, usually the US Postal Service, so note the delivery scan with its date and time from the tracking page.

Tell the merchant in writing, with the order number, the tracking number and screenshots of the delivery scan. If you paid by card, keep that correspondence: it is what your card issuer asks for if you dispute the charge.

Delivered scan, no parcel, and the merchant pointing at the carrier? Raise it through our complaint process: we help you write the complaint in minutes, with the tracking history and order details set out.

What do people complain about most at OSM Worldwide?

Nothing has been reported about OSM Worldwide here yet. Our research shows what typically goes wrong at parcel consolidators that hand packages to the postal service for final delivery: tracking that pauses or stops updating at the handoff, parcels marked delivered that never reach the door, items damaged in transit, recipients sent back and forth between the merchant, the consolidator and the post office, and refunds that depend on the merchant opening a claim.

Tracking frozen at the handoff, or a delivered scan with no parcel? Be the first to report it: your case opens the record the next shopper with an OSM tracking number can find.

What happens after I submit my complaint?

Your complaint gets its own public page on Complain.biz and we get to work: we bring it to the attention of OSM Worldwide through emails, social media, paper complaint letters and other tools at our disposal.

And we stay with it after you file. Our trained AI opens a case file for you and keeps coaching: what to reply, when to push again, and how to escalate if nothing happens.

Can other consumers help me with my OSM Worldwide complaint?

Yes. We have an active community of consumers, and complaints here are public: people who ran into the same problem with OSM Worldwide can give you advice or back you up with their own story. A complaint with a community behind it is much harder to overlook.

OSM Worldwide complaints

0 complaints

Helpful experiences shared by OSM Worldwide customers. Search, discuss and connect with other people in our community.

OSM Worldwide complaints per month

Dec 2025 - Nov 2026

Complaints filed on Complain.biz about OSM Worldwide in each of the last twelve months.

  • 0 Dec
  • 0 Jan
  • 0 Feb
  • 0 Mar
  • 0 Apr
  • 0 May
  • 0 Jun
  • 0 Jul
  • 0 Aug
  • 0 Sep
  • 0 Oct
  • 0 Nov

No complaints about OSM Worldwide yet. Yours can be the first.

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How OSM Worldwide compares

OSM Worldwide customer service compared to others in the Parcel Couriers category.

Company Complaints Biggest problem
FedEx 169 complaints Rough or careless drivers
UPS 116 complaints Parcels left in the wrong place
OnTrac 37 complaints Careless and rude drivers
Aramex 28 complaints Parcels stuck for weeks
OSM Worldwide (this page) 0 complaints No complaints yet
Delivery.com 0 complaints No complaints yet
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