| EXCH. OFFICE | NUMBER | Earliest | Latest |
|---|---|---|---|
| Baltimore, MD | 11 | 1884 | 1889 |
| Boston, MA | 103 | 1892 | 1910 |
| Brownsville, TX | 1 | 1901 | 1901 |
| Carrizo, TX | 0 | ||
| Cristobal, CZ | 82 | 1905 | 1907 |
| Detroit, MI | 0 | ||
| Douglas, AZ | 3 | 1907 | 1908 |
| Eagle Pass, TX | 8 | 1888 | 1896 |
| El Paso, TX | 58 | 1885 | 1910 |
| Fernandina, FL | 0 | ||
| Galveston, TX | 0 | ||
| Havana, Cuba | 13 | 1899 | 1900 |
| Hidalgo, TX | 0 | ||
| Honolulu, HI | 10 | 1900 | 1906 |
| Jacksonville, FL | 9 | 1885 | 1902 |
| Key West, FL | 3 | 1886 | 1889 |
| Laredo, TX | 29 | 1892 | 1906 |
| Miami, FL | 1 | 1904 | 1904 |
| Mobile, AL | 84 | 1899 | 1909 |
| Naco, AZ | 4 | 1907 | 1907 |
| New Orleans, LA | 47 | 1891 | 1910 |
| Nogales, AZ | 18 | 1895 | 1909 |
| Philadelphia, PA | 20 | 1893 | 1910 |
| Presidio, TX | 0 | ||
| Rio Grand City, TX | 0 | ||
| Roma, TX | 0 | ||
| St. Louis. MO | 17 | 1888 | 1908 |
| San Antonio, TX | 7 | 1903 | 1907 |
| San Diego, CA | 2 | 1893 | 1906 |
| San Francisco | 247 | 1882 | 1910 |
| San Juan, PR | 11 | 1906 | 1907 |
| Seattle, WA | 38 | 1901 | 1910 |
| Shanghai | 38 | 1899 | 1904 |
| Shanghai - Local | 19 | 1899 | 1901 |
| Tacoma, WA | 15 | 1896 | 1910 |
| Tampa, FL | 2 | 1898 | 1901 |
| Tucson, AZ | 0 | ||
| Zapata, TX | 0 | ||
| New York | Not Included | ||
| Total | 900 |