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Each First Class postcard, letter, and check sent through Lob has a unique IMb barcode that gets scanned by USPS as it travels through the mail stream. You can access this scan event data via our API or Dashboard, or get notifications for them by creating webhooks. Below is a breakdown of each scan event label and description:
For First Class Mail, you will usually see your first scan event around 3 business days after the piece has been scheduled to go out.
Please note that IMb tracking data cannot be accessed via USPS's website and IMb tracking data not available for the following products:
Yes - the prices you see on Lob.com are all-in costs; they include the cost of printing, postage, and delivery.
Delivery times will vary depending on product and destination. Domestic delivery times are listed below:
International mailings will take an additional 5 to 7 days.
*Delivery times above are estimates; Lob uses USPS as our primary carrier and USPS experiences delays from time to time. To see the most up-to-date status of your mailing, check the tracking information of your particular mailing through a GET request or on your Dashboard.
By default, all new accounts have a 5 minute cancellation window for all products within which mailings can be canceled. This window can be edited in your Dashboard Settings. Read more about canceling mailings here.
Lob can mail all over the world. International mailings originate from the US and are mailed via USPS First Class Mail.
If you are looking to originate mail in a different country, please contact us.
If your question isn't answered here, please use the contact form below.
Lob offers various support plans for users of all sizes. From self-service to enterprise-scale, our support plans are designed to meet the needs of your business.Premium Support Plans