What is "arecibo zona"

Population (2000): 49318
Housing Units (2000): 19631
Land area (2000): 15.448005 sq. miles (40.010148 sq. km)
Water area (2000): 2.431262 sq. miles (6.296939 sq. km)
Total area (2000): 17.879267 sq. miles (46.307087 sq. km)
FIPS code: 03368
Located within: Puerto Rico (PR), FIPS 72
Location: 18.463319 N, 66.731857 W
ZIP Codes (1990):
Note: some ZIP codes may be omitted esp. for suburbs.
Headwords: