WordNet (r) 3.0 (2006):

Amarillo
    n 1: a city in the northern panhandle of Texas

U.S. Gazetteer Places (2000):

Amarillo, TX -- U.S. city in Texas
   Population (2000):    173627
   Housing Units (2000): 72408
   Land area (2000):     89.863341 sq. miles (232.744974 sq. km)
   Water area (2000):    0.445961 sq. miles (1.155034 sq. km)
   Total area (2000):    90.309302 sq. miles (233.900008 sq. km)
   FIPS code:            03000
   Located within:       Texas (TX), FIPS 48
   Location:             35.199252 N, 101.845163 W
   ZIP Codes (1990):     79101 79102 79103 79104 79106 79107
                         79108 79109 79110 79111 79118 79119
                         79121 79124
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Amarillo, TX
    Amarillo