Effective February 5, 2026, the Postal Service™ is revising the International Country Listing for Guatemala in Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) to include addressee’s contact information for all items.
This revision is based on a formal request that Dirección General de Correos y Telégrafos (the designated postal operator of Guatemala) made through the Universal Postal Union via International Bureau Circular 196, dated December 8, 2025.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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Individual Country Listings
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Guatemala
Country Conditions for Mailing
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Observations
[Designate the current observation as item 1. and add a new entry to read as follows:]
2. Include addressee’s telephone number or email address. This will help prevent items from being returned to their country of origin
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Although effective February 5, 2026, the Postal Service will incorporate this revision into the next edition of the online IMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification,
Product Solutions, 2-5-26
