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10/01/2026

September 2026 Nixie Volume

This spreadsheet contains the UAA statistics for September 2026.

Data Files
10/01/2026

ZIP Codes by Area and District codes

The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.

Data Files
09/28/2026

Detailed information on the USPS Ship (Formerly Package Platform) data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application. Please note that items in bold text were updated or added recently.

09/21/2026

2027 Labeling List and Mail Direction File Schedule

This is the Labeling Lists production schedule for 2027.

09/18/2026

ZIP Code Boundaries GeoJSON Sample File

09/18/2026

ZIP Code Boundaries Sample File

09/17/2026

Emerging Roads 1-year GeoJSON Sample File

09/17/2026

Emerging Roads 30-days GeoJSON Sample File

09/17/2026

Emerging Roads 1-year Geodatabase Sample File

Data Files
09/17/2026

Emerging Roads 30-days Geodatabase Sample File

Data Files
09/01/2026

August 2026 Nixie Volume

This spreadsheet contains the UAA statistics for August 2026.

Data Files
08/03/2026

July 2026 Nixie Volume

This spreadsheet contains the UAA statistics for July 2026.

Data Files
07/27/2026

Labeling List Changes Effective September 1, 2026

Effective September 1, 2026, the Postal Service™ will revise Labeling List(s) L007, L008, L012, L016, L201, L606, and L607 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the September 1, 2026, effective date through October 31, 2026, expiration date. The changes will be published in the Postal Bulletin, Issue #22708.

Data Files
07/02/2026