From https://gis.stackexchange.com/questions/53918/determining-which-us-zipcodes-map-to-more-than-one-state-or-more-than-one-city https://gis.stackexchange.com/

From https://gis.stackexchange.com/questions/53918/determining-which-us-zipcodes-map-to-more-than-one-state-or-more-than-one-city https://gis.stackexchange.com/questions/53918/determining-wh... 02861 Massachusetts 02861 Rhode Island 42223 Kentucky 42223 Tennessee 59221 Montana 59221 North Dakota 63673 Illinois 63673 Missouri 71749 Arkansas 71749 Louisiana 73949 Oklahoma 73949 Texas 81137 Colorado 81137 New Mexico 84536 Arizona 84536 Utah 86044 Arizona 86044 Utah 86515 Arizona 86515 New Mexico 88063 New Mexico 88063 Texas 89439 California 89439 Nevada 97635 California 97635 Oregon