| 1805 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1806 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1810 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1812 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1813 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1814 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1815 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1816 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1817 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1818 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1820 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1826 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1828 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1830 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1831 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1832 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1838 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1839 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1840 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1843 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1845 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1847 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1848 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1850 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1854 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1856 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1857 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1858 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1859 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1860 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1862 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1863 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1864 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1865 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1870 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1872 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1878 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1901 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1903 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1904 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1906 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1908 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1909 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1910 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1912 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1913 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1914 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1915 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1916 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1917 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1918 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1919 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1925 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1928 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1929 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1930 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1931 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1934 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1936 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1937 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1938 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1940 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1941 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1943 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1945 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1947 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1949 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1951 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1952 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1954 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1956 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1959 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1970 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1971 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1972 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1973 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1978 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1979 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1980 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1983 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1984 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1985 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1986 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1989 | 
United States | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1907 | 
United States - Alaska | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1712432 | 
United States - Conference Calling Codes | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1161 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1180 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1188 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1191 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1193 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1195 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1196 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 1199 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 11993400001 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 11993400010 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 11993400050 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 11993400800 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 11993400801 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 | 
| 11993400810 | 
United States - Freephone | 
United Kingdom - NGN - National | 
0.1968 | 
No change | 
0.0 |