PostalPro

DELIVERY - Central Area - Vining IA Post Office (52348) - Temporarily Suspending Operations

Submitted by PostalPro on Thu, 11/05/2026 - 20:30

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Thu, 11/05/2026 - 20:30

DELIVERY - Central Area - Compton IL RMPO 61318 - Closed Indefinitely 11.05.2026

Submitted by PostalPro on Thu, 11/05/2026 - 20:28

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Announcements

Thu, 11/05/2026 - 20:28

PROCESSING AND DISTRIBUTION - Possible Delays – Des Moines, IA Processing and Distribution Center (P&DC)

Submitted by PostalPro on Thu, 11/05/2026 - 16:05

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Announcements

Thu, 11/05/2026 - 16:05

PROCESSING AND DISTRIBUTION - Billings, MT Processing and Distribution Center (P&DC) Machine Upgrade

Submitted by PostalPro on Thu, 11/05/2026 - 08:54

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Thu, 11/05/2026 - 08:56

Known Issues List 11.3.2026

Submitted by PostalPro on Tue, 02/24/2026 - 13:46

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Error Codes

Thu, 11/05/2026 - 15:22

CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)

Submitted by PostalPro on Thu, 11/09/2023 - 12:15

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Contact Lists

Thu, 11/05/2026 - 11:21

RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

Submitted by PostalPro on Thu, 11/09/2023 - 12:12

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Contact Lists

Thu, 11/05/2026 - 11:09

CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)

Submitted by PostalPro on Thu, 06/29/2023 - 12:10

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Contact Lists

Thu, 11/05/2026 - 11:25

CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)

Submitted by PostalPro on Thu, 06/29/2023 - 12:03

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Contact Lists

Thu, 11/05/2026 - 11:35

CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)

Submitted by PostalPro on Thu, 05/11/2023 - 12:15

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Contact Lists

Thu, 11/05/2026 - 11:36

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DELIVERY - Central Area - Vining IA Post Office (52348) - Temporarily Suspending Operations

DELIVERY - Central Area - Compton IL RMPO 61318 - Closed Indefinitely 11.05.2026

PROCESSING AND DISTRIBUTION - Possible Delays – Des Moines, IA Processing and Distribution Center (P&DC)

PROCESSING AND DISTRIBUTION - Billings, MT Processing and Distribution Center (P&DC) Machine Upgrade

Known Issues List 11.3.2026

CASS™ Certified Products Guide: Residential Delivery Indicator Cycle O - (Expires July 31, 2028)

RDI™ Cycle O: Certified Products Guide (D) - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Mailers/Users Data File Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Mailers/Users Cycle O - (Expires July 31, 2028)

CASS™ Certified Products Guide: M L O C R Service Bureaus Data File Cycle O - (Expires July 31, 2028)

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