FA-95649 / Shipping rate zone lookup / Member archive

Destination zones: private carrier quoted to APO · case 04

Ground service is sold to military addresses that only the postal network delivers.

Member previewVariant 4 · 3 implementations · 8 checks per implementation

Case contract

Military states AA/AE/AP are served only by POSTAL ("MILITARY") else "NO_SERVICE". HI must be ZIP3 967-968 (zone 14); AK must be 995-999 with 995-996 zone 17 and 997-999 zone 18; PR and VI must be 006-009 (zone 22). A state/ZIP3 conflict is "MISMATCH". Other states return base_zone.

Why this case matters

Noncontiguous and military destinations have their own zones and service restrictions.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
generated mix 59	`"MILITARY"`	`"NO_SERVICE"`	Failed

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