Post office | Current | ZIP Code | Opened | Closed |
---|---|---|---|---|
Mace's Hole[a] | Pueblo | 81023 | Apr 23, 1873 | Oct 25, 1876 |
Mack | Mesa | 81525 | Apr 21, 1904 | open |
Macon[b] | Teller | Feb 20, 1895 | May 12, 1899 | |
Madrid | Las Animas | Oct 03, 1882 | Sep 29, 1892 | |
Oct 23, 1893 | Oct 25, 1893 | |||
Jan 06, 1896 | Nov 30, 1917 | |||
Magic Mountain | Jefferson | Jul 16, 1960 | Jun 01, 1962 | |
Magnolia | Boulder | 80466 | May 16, 1876 | Dec 31, 1920 |
Maher | Montrose | 81415 | Apr 07, 1884 | Feb 26, 1988 |
Mahonville | Chaffee | Feb 28, 1876 | Sep 18, 1879 | |
Mainard[c] | Mesa | 81524 | May 24, 1901 | Oct 15, 1902 |
Jan 06, 1905 | Aug 02, 1902 | |||
Maine Ranch | Bent | error 00, 1872 | error 00, 1875 | |
Maitland | Huerfano | 81089 | error 00, 1898 | error 00, 1935 |
Majestic | Las Animas | error 00, 1900 | error 00, 1914 | |
Majors | El Paso | error 00, 1911 | error 00, 1912 | |
Malachite | Huerfano | error 00, 1880 | error 00, 1915 | |
Maldonado | Las Animas | May 27, 1901 | Jan 14, 1905 | |
Malta | Lake | 80461 | error 00, 1875 | error 00, 1887 |
Mamre | Bent | error 00, 1886 | error 00, 1886 | |
Manassa | Conejos | 81141 | error 00, 1879 | error 00, alig |
Mancos | Montezuma | 81328 | Nov 19, 1877 | error 00, alig |
Mancos Creek | Montezuma | error 00, 1961 | error 00, 1962 | |
Manhattan | Larimer | error 00, 1887 | error 00, 1900 | |
Manitou[d] | El Paso | 80829 | Oct 03, 1872 | error 00, 1885 |
Manitou Park (1888)[e] | Teller | 80863 | error 00, 1888 | error 00, 1890 |
Manitou Park (1890)[e] | Teller | 80863 | error 00, 1890 | error 00, 1892 |
Manitou Springs[d] | El Paso | 80829 | error 00, 1885 | error 00, 1892 |
Manoa | Fremont | error 00, 1900 | error 00, 1907 | |
Manzanares[f] | Costilla | 81152 | error 00, 1901 | error 00, 1902 |
Manzanola[g] | Otero | 81058 | error 00, 1895 | error 00, alig |
Marble | Gunnison | 81623 | Mar 19, 1890 | Oct 31, 1942 |
Margaret | Costilla | error 00, 1899 | error 00, 1900 | |
Marigold | Teller | error 00, 1895 | error 00, 1902 | |
Marion | Delta | error 00, 1885 | error 00, 1886 | |
Marion | Garfield | error 00, 1889 | error 00, 1891 | |
Marnel | Pueblo | error 00, 1917 | error 00, 1923 | |
Marshall[h] | Boulder | 80305 | error 00, 1878 | error 00, 1880 |
Marshall Park[i] | Clear Creek | error 00, 1919 | error 00, 1953 | |
Marshall Pass | Saguache | Mar 06, 1919 | Sep 30, 1952 | |
Marshallpark | Clear Creek | error 00, 1902 | error 00, 1903 | |
Marshalltown[j] | Saguache | 81248 | Jul 13, 1880 | error 00, 1882 |
Martin | Grand | error 00, 1898 | error 00, 1934 | |
Martinsen | Las Animas | error 00, 1889 | error 00, 1891 | |
Martynia | Prowers | error 00, 1892 | error 00, 1893 | |
Marvel[k] | La Plata | 81329 | error 00, 1953 | error 00, alig |
Marvine | Rio Blanco | error 00, 1895 | error 00, 1899 | |
Mason | Larimer | error 00, 1880 | error 00, 1880 | |
Masonville | Larimer | 80541 | Sep 01, 1896 | error 00, alig |
Massadona | Moffat | 81610 | error 00, 1917 | error 00, 1932 |
Masters | Weld | error 00, 1900 | error 00, 1967 | |
Matheson[l] | Elbert | 80830 | error 00, 1915 | error 00, alig |
Mattison[l] | Elbert | 80830 | error 00, 1889 | error 00, 1895 |
Maxey | Baca | error 00, 1889 | error 00, 1920 | |
Maybell | Moffat | 81640 | Oct 14, 1884 | error 00, alig |
Mayday | La Plata | 81326 | error 00, 1913 | error 00, 1914 |
Mayne | Huerfano | error 00, 1905 | error 00, 1907 | |
Maysville | Chaffee | 81201 | error 00, 1879 | error 00, 1893 |
McClave | Bent | 81057 | error 00, 1908 | error 00, alig |
McCollin | Lincoln | error 00, 1915 | error 00, 1917 | |
McCoy | Eagle | 80463 | May 23, 1891 | error 00, alig |
McElmo | Montezuma | error 00, 1892 | error 00, 1932 | |
McFerran | El Paso | error 00, 1889 | error 00, 1896 | |
McGregor | Routt | 80487 | error 00, 1915 | error 00, 1942 |
McGuire | Huerfano | error 00, 1905 | error 00, 1911 | |
McMillan | Huerfano | error 00, 1900 | error 00, 1904 | |
McMillan[m] | Prowers | error 00, 1886 | error 00, 1887 | |
McPhee | Montezuma | error 00, 1924 | error 00, 1948 | |
Mead | Weld | 80542 | Mar 01, 1907 | error 00, alig |
Meadows[n] | Bent | 81044 | error 00, 1873 | error 00, 1875 |
Mears | Chaffee | error 00, 1879 | error 00, 1888 | |
Medano Springs | Alamosa | error 00, 1874 | error 00, 1879 | |
Medford Springs | Bent | error 00, 1916 | error 00, 1922 | |
Medill | Cheyenne | error 00, 1910 | error 00, 1920 | |
Medlin | Jefferson | error 00, 1896 | error 00, 1901 | |
Meeker[o] | Rio Blanco | 81641 | error 00, 1880 | error 00, alig |
Meekton | Washington | error 00, 1910 | error 00, 1918 | |
Meily | Chaffee | error 00, 1882 | error 00, 1885 | |
Melville | Elbert | error 00, 1889 | error 00, 1890 | |
Melvin | Arapahoe | error 00, 1888 | error 00, 1895 | |
Menger[p] | Las Animas | error 00, 1891 | error 00, 1901 | |
Menoken | Montrose | error 00, 1891 | error 00, 1892 | |
Mercier | Pueblo | error 00, 1906 | error 00, 1913 | |
Meredith | Pitkin | 81642 | error 00, 1893 | error 00, alig |
Meridith | Crowley | 81076 | error 00, 1889 | error 00, 1890 |
Merino[q] | Logan | 80741 | error 00, 1883 | error 00, alig |
Mesa (1883)[r] | Mesa | 81521 | error 00, 1883 | error 00, 1884 |
Mesa[r] | Mesa | 81643 | error 00, 1887 | error 00, alig |
Mesa Verde National Park[1] | Montezuma | 81330 | error 00, 1924 | error 00, alig |
Mesaview | Las Animas | error 00, 1921 | error 00, 1922 | |
Meserole | La Plata | error 00, 1882 | error 00, 1884 | |
Mesita | Costilla | 81152 | error 00, 1910 | error 00, 00NA |
Messex | Washington | 80741 | error 00, 1907 | error 00, 1942 |
Meyer | Costilla | error 00, 1885 | error 00, 1885 | |
Micanite | Fremont | error 00, 1904 | error 00, 1925 | |
Michigan | Larimer | error 00, 1880 | error 00, 1882 | |
Michigan House | Jefferson | error 00, 1863 | error 00, 1863 | |
Middle Boulder[s] | Boulder | 80466 | error 00, 1871 | error 00, 1874 |
Midland | Teller | 80814 | error 00, 1892 | error 00, 1899 |
Mildred | Montezuma | error 00, 1895 | error 00, 1903 | |
Mildred | Yuma | error 00, 1910 | error 00, 1954 | |
Mill City[t] | Clear Creek | 80436 | error 00, 1861 | error 00, 1863 |
Millard | Montezuma | error 00, 1907 | error 00, 1909 | |
Millbrook | Custer | error 00, 1893 | error 00, 1895 | |
Millet[u] | Washington | 80743 | error 00, 1890 | error 00, 1892 |
Milliken | Weld | 80543 | error 00, 1909 | error 00, alig |
Milner[v] | Routt | 80487 | error 00, 1920 | error 00, 1988 |
Minaret | Gunnison | error 00, 1890 | error 00, 1896 | |
Mindeman | Otero | error 00, 1917 | error 00, 1934 | |
Miner | Larimer | error 00, 1888 | error 00, 1894 | |
Mineral Hot Springs | Saguache | 81143 | error 00, 1911 | error 00, 1947 |
Mineral Point | San Juan | 81143 | error 00, 1875 | error 00, 1897 |
Minneapolis | Baca | error 00, 1887 | error 00, 1899 | |
Minturn | Eagle | 81645 | Sep 17, 1889 | error 00, alig |
Mirage[w] | Saguache | error 00, 1895 | error 00, 1927 | |
Missouri City | Gilpin | error 00, 1860 | error 00, 1863 | |
Mitchell[x] | Eagle | error 00, 1883 | error 00, 1909 | |
Mobley | Routt | error 00, 1906 | error 00, 1907 | |
Model[y] | Las Animas | 81059 | error 00, 1912 | Aug 12, 2017 |
Modoc | Boulder | error 00, 1874 | error 00, 1879 | |
Moffat | Saguache | 81143 | error 00, 1890 | error 00, alig |
Mogote | Conejos | 81120 | error 00, 1897 | error 00, 1920 |
Molding | Dolores | error 00, 1919 | error 00, 1924 | |
Molina[z] | Mesa | 81646 | error 00, 1895 | error 00, 1896 |
Monarch[aa] | Chaffee | 81227 | error 00, 1883 | error 00, 1903 |
Monarch | Grand | error 00, 1907 | error 00, 1909 | |
Monon | Baca | error 00, 1901 | error 00, 1918 | |
Montana[ab][ac] | Denver | 80223 | error 00, alig | error 00, alig |
Montclair | Denver | 80220 | error 00, 1888 | error 00, 1912 |
Monte Vista[ad] | Rio Grande | 81144, 81135 | error 00, 1886 | error 00, alig |
Montezuma | Summit | 80435 | error 00, 1871 | error 00, 1872 |
Montgomery[ae] | Park | error 00, 1882 | error 00, 1888 | |
Montgomery City[ae] | Park | error 00, 1862 | error 00, 1872 | |
Montrose | Montrose | 81401-81403 | Feb 14, 1882 | error 00, alig |
Montville[af] | Alamosa | error 00, 1887 | error 00, 1900 | |
Monument | El Paso | 80132 | error 00, 1869 | error 00, alig |
Mooney | Huerfano | error 00, 1896 | error 00, 1896 | |
Moore | Las Animas | error 00, 1904 | error 00, 1904 | |
Moqui | Montezuma | error 00, 1900 | error 00, 1914 | |
Moraine[ag] | Larimer | 80517 | error 00, 1880 | error 00, 1902 |
Moraine Park[ag] | Larimer | 80517 | error 00, 1902 | error 00, 1921 |
Morapos | Moffat | error 00, 1912 | error 00, 1931 | |
Morgan[ah] | Conejos | 81140 | error 00, 1900 | error 00, 1901 |
Morgan | Montezuma | error 00, 1887 | error 00, 1891 | |
Morgan | Weld | error 00, 1879 | error 00, 1883 | |
Morland | Teller | error 00, 1891 | error 00, 1892 | |
Morley | Chaffee | error 00, 1886 | error 00, 1924 | |
Morley | Las Animas | error 00, 1882 | error 00, 1956 | |
Morris | Garfield | error 00, 1902 | error 00, 1903 | |
Morris | Kit Carson | error 00, 1907 | error 00, 1914 | |
Morrison[ai] | Jefferson | 80465 | error 00, 1873 | error 00, 1908 |
Mosby | El Paso | error 00, 1910 | error 00, 1913 | |
Mosca[aj] | Alamosa | 81146 | error 00, 1890 | error 00, alig |
Mosco | Alamosa | error 00, 1880 | error 00, 1882 | |
Mound | Teller | error 00, 1893 | error 00, 1894 | |
Mount Carbon | Gunnison | error 00, 1884 | error 00, 1891 | |
Mount Crested Butte | Gunnison | 81225 | error 00, 1981 | error 00, 00NA |
Mount Harris | Routt | 80487 | error 00, 1915 | error 00, 1958 |
Mount Morrison[ai] | Jefferson | 80465 | error 00, 1908 | error 00, 1950 |
Mount Pearl | Cheyenne | 80825 | error 00, 1911 | error 00, 1923 |
Mount Princeton[ak] | Chaffee | 81236 | error 00, 1889 | error 00, 1899 |
Mount Princeton Hot Springs[ak] | Chaffee | 81236 | error 00, 1926 | error 00, 1936 |
Mount Sneffels[al] | Ouray | error 00, 1879 | error 00, 1895 | |
Mount Streeter | Moffat | error 00, 1919 | error 00, 1921 | |
Mount Vernon[am] | Jefferson | 80401 | error 00, 1860 | error 00, 1885 |
Mountain City[an] | Gilpin | 80427 | error 00, alig | error 00, alig |
Mountain Park | Jefferson | NA08, 1869 | error 00, 1966 | error 00, 1978 |
Mountain Village | San Miguel | 81435 | error 00, 00NA | error 00, 00NA |
Mountaindale | Park | error 00, 1880 | error 00, 1899 | |
Mountainvale | Mesa | error 00, 1884 | error 00, 1903 | |
Mountearl | Larimer | error 00, 1896 | error 00, 1899 | |
Mud Creek | Bent | error 00, 1911 | error 00, 1918 | |
Muddy Creek[ao] | Pueblo | error 00, alig | error 00, alig | |
Mullenville | Park | error 00, 1880 | error 00, 1882 | |
Mulvane | Prowers | error 00, 1888 | error 00, 1893 | |
Muriel | Huerfano | error 00, 1903 | error 00, 1906 | |
Murnane | La Plata | error 00, 1882 | error 00, 1886 | |
Murphy's Switch | Chaffee | error 00, 1886 | error 00, 1924 | |
Mustang[ap] | Huerfano | error 00, 1914 | error 00, 1940 | |
Myers | El Paso | error 00, 1891 | error 00, 1894 | |
Myrtle | Pueblo | error 00, 1906 | error 00, 1913 | |
Mystic | Routt | error 00, 1910 | error 00, 1942 |