Usps 3-digit zip

However, bundling is required in any mailing consisting entirely of card-size pieces less than 7 inches long, and for pieces in overflow and less-than-full trays. Grouping is required under 6. Instead of preparing overflow trays with fewer than pieces, mailers may include these pieces in an existing qualified tray of at least or more pieces at the next tray level. For example, if a mailer has 30 overflow 5-digit pieces for ZIP Code , these pieces may be added to an existing qualified AADC tray for the correct destination ZIP Code prefix and the overflow 5-digit pieces will still qualify for the 5-digit price.

Mailers must note these trays on standardized documentation see Pieces that are placed in the next tray level must be grouped by destination and placed in the front or back of that tray. Preparation sequence, tray size, and Line 1 labeling:. Upon presentation of letter-size automation price First-Class Mail mailings to USPS for verification, mailers must present all mixed AADC trays together, and such trays must either be adjacent to one another, or side by side, and must be placed as the top layer s on any given container.

Each Presorted First-Class Mail mailing must be prepared under 7. All pieces must be in the flat-size processing category. Flat-size pieces must be prepared in flat trays. Mailers must label the trays under Label the trays as follows:. Nonautomation flats must use the preparation sequence and tray labeling in 7. Except under Smaller volumes are not permitted except under Preparation sequence, bundle size except allowed under Except for automation price mailings prepared under the tray-based preparation option in 8.

Flat-size Presorted price pieces may be cobundled with flat-size automation price pieces under the standards in Automation First-Class Mail must be prepared under 8.

All pieces in a mailing must be sorted together to the finest extent required. The definitions of a mailing and permissible combinations are in 1. All automation pieces must be marked under Pieces claimed at an automation price must bear the appropriate class marking.

Except for First-Class Mail prepared under 8. Bundles may contain fewer pieces than the bundle minimum, depending on the size of the pieces in the mailing or the total quantity of the pieces to that destination.

Price eligibility is not affected when a physical bundle contains fewer pieces than the minimum bundle size for the above reasons. Preparation sequence, bundle size except as allowed under Pieces meeting the automation-compatibility criteria in These bundles must meet the additional standards in 1. Except for mailings prepared under the tray-based preparation option in 8. Automation pieces may be cobundled with Presorted pieces under the standards in Skip top navigation.

Postal Explorer. Toggle navigation Postal Explorer. Skip side navigation. Toggle navigation Domestic Mail Manual. Generally, types of mail that follow different flows through the postal processing system e. Other specific standards may define whether separate mailings may be combined, palletized, reported, or deposited together.

The types of First-Class Mail listed below must not be part of the same mailing despite being in the same processing category see Presorted price and any other type of mail.

Single-piece price and any other type of mail. Machinable and nonmachinable pieces. Unique 3-digit: the ZIP Code in the delivery address on all pieces begins with the same three digits, and that the 3-digit prefix is so identified in L , Column A. Subject to standard, a separation is required for each such 3-digit area regardless of the volume of mail. Subject to standard, this separation is required regardless of the volume of mail.

Residual mail lacks the volume set by standard to require or allow bundle preparation to a particular destination, and usually does not qualify for a presort price. Residual mail is also referred to as nonqualifying or working mail. This definition also applies when pieces is used in eligibility standards.

Quantities indicated for optional or required sortations always refer to pieces unless specifically excepted. A full flat tray is one that is physically full. Although a specific minimum volume is required at least a single stack of mail lying flat on the bottom of the tray and filling the tray to the bottom of the handholds before a tray may or must be prepared to the corresponding presort destination, trays must be filled with additional available pieces up to the reasonable capacity of the tray when standards require preparation of full trays.

A less-than-full letter tray is one that contains mail for the same destination regardless of quantity or whether a full tray was previously prepared for that destination. Less-than-full trays may be prepared only if permitted by the standards for the price claimed. An overflow letter tray is a less-than-full tray that contains all pieces remaining after preparation of full trays for the same destination.

Overflow trays may be prepared only if permitted by the standards for the price claimed. A 5-digit scheme sort for automation letters yields 5-digit scheme trays for those 5-digit ZIP Codes identified in labeling list L and 5-digit trays for other areas.

The 5-digit ZIP Codes in each scheme are treated as one presort destination subject to a minimum volume, with no further separation by 5-digit ZIP Code required. Trays prepared for a 5-digit scheme destination that contain pieces for only one of the schemed 5-digit ZIP Codes are considered 5-digit scheme sorted.

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