First-Class Package Service
service
GenRank Score
8.4
A United States Postal Service offering for lightweight domestic packages up to 15.999 ounces, known for its affordability and speed.
Also Known As
First-Class Package Service
1 question•1 category
Score History
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Average Rank
#6.0
Median
#6
Range
#6–#6
Rankings by Model
Grok 4.3 #6