49k Usa Base.txt -

While there isn't a single definitive public document with that exact name, this nomenclature is commonly used in technical and data-focused contexts for:

: A text-based database of approximately 49,000 U.S. locations, zip codes, or coordinates used for mapping and local search applications. 49k usa base.txt

: Often found in cybersecurity or marketing datasets, where "49k" indicates the number of entries (49,000) and "usa base" refers to the geographic origin. While there isn't a single definitive public document