All assignees
800 prefixes in 310 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 310-800 | CMTN GRDN | 7240 | — | Yes |
| 310-801 | BEVERLYHLS | 6010 | — | — |
| 310-802 | REDONDO | 2319 | — | Yes |
| 310-803 | TORRANCE | 7718 | — | Yes |
| 310-804 | SNMN SNMN | 6010 | — | — |
| 310-805 | CMTN GRDN | 6630 | — | — |
| 310-806 | W ANGELES | 671J | — | Yes |
| 310-807 | CMTN GRDN | 649C | — | Yes |
| 310-808 | CMTN GRDN | 9740 | — | Yes |
| 310-809 | SAN PEDRO | 6529 | — | Yes |
| 310-810 | CMTN CMTN | 981E | 2020-10-13 | Yes |
| 310-811 | XXXXXXXXXX | MULT | — | — |
| 310-812 | HAWTHORNE | 9740 | — | — |
| 310-813 | HAWTHORNE | 9740 | — | — |
| 310-814 | HAWTHORNE | 9740 | — | — |
| 310-815 | CULVERCITY | 9740 | — | — |
| 310-816 | SAN PEDRO | 9740 | — | — |
| 310-817 | CMTN GRDN | 9740 | — | Yes |
| 310-818 | CMTN GRDN | 671J | — | Yes |
| 310-819 | CMTN GRDN | 7240 | — | Yes |
| 310-820 | W ANGELES | 2319 | — | — |
| 310-821 | SNMN MRVS | 2319 | — | — |
| 310-822 | SNMN MRVS | 2319 | — | — |
| 310-823 | SNMN MRVS | 2319 | — | — |
| 310-824 | W ANGELES | 2319 | — | Yes |
| 310-825 | W ANGELES | 2319 | — | — |
| 310-826 | W ANGELES | 2319 | — | — |
| 310-827 | SNMN MRVS | 2319 | — | — |
| 310-828 | SNMN SNMN | 2319 | — | — |
| 310-829 | SNMN SNMN | 2319 | — | — |
| 310-830 | SAN PEDRO | 9740 | — | — |
| 310-831 | SAN PEDRO | 9740 | — | — |
| 310-832 | SAN PEDRO | 9740 | — | — |
| 310-833 | SAN PEDRO | 9740 | — | — |
| 310-834 | SAN PEDRO | 9740 | — | — |
| 310-835 | SAN PEDRO | 9740 | — | — |
| 310-836 | CULVERCITY | 9740 | — | — |
| 310-837 | CULVERCITY | 9740 | — | — |
| 310-838 | CULVERCITY | 9740 | — | — |
| 310-839 | CULVERCITY | 9740 | — | — |
| 310-840 | CULVERCITY | 9740 | — | — |
| 310-841 | CULVERCITY | 9740 | — | — |
| 310-842 | CULVERCITY | 9740 | — | — |
| 310-843 | BEVERLYHLS | 9740 | — | — |
| 310-844 | HAWTHORNE | 7240 | — | Yes |
| 310-845 | CULVERCITY | 9740 | — | Yes |
| 310-846 | INGLEWOOD | 7240 | — | Yes |
| 310-847 | SAN PEDRO | 9740 | — | Yes |
| 310-848 | HAWTHORNE | 6006 | 2005-09-08 | Yes |
| 310-849 | BEVERLYHLS | 6010 | — | — |
| 310-850 | CMTN GRDN | 6006 | — | — |
| 310-851 | CMTN GRDN | 9740 | — | — |
| 310-852 | CMTN GRDN | 6906 | — | — |
| 310-853 | CULVERCITY | 981E | 2010-12-10 | Yes |
| 310-854 | BEVERLYHLS | 9740 | — | Yes |
| 310-855 | BEVERLYHLS | 9740 | — | Yes |
| 310-856 | CMTN GRDN | 671J | — | Yes |
| 310-857 | SNMN SNMN | 671J | — | Yes |
| 310-858 | BEVERLYHLS | 9740 | — | — |
| 310-859 | BEVERLYHLS | 9740 | — | — |
| 310-860 | BEVERLYHLS | 9740 | — | Yes |
| 310-861 | BEVERLYHLS | 649C | — | — |
| 310-862 | SNMN MRVS | 6006 | — | Yes |
| 310-863 | REDONDO | 6529 | — | Yes |
| 310-864 | CMTN GRDN | 899D | — | Yes |
| 310-865 | SNMN SNMN | 7480 | — | — |
| 310-866 | SNMN SNMN | 2319 | — | Yes |
| 310-867 | BEVERLYHLS | 6529 | — | Yes |
| 310-868 | CMTN CMTN | 649C | — | Yes |
| 310-869 | W ANGELES | 6010 | — | — |
| 310-870 | REDONDO | 981E | 2012-05-22 | Yes |
| 310-871 | BEVERLYHLS | 6010 | 2001-04-19 | — |
| 310-872 | SAN PEDRO | 6529 | — | Yes |
| 310-873 | W ANGELES | 671J | — | Yes |
| 310-874 | CMTN GRDN | 6010 | 2001-04-19 | — |
| 310-875 | SNMN SNMN | 6630 | — | — |
| 310-876 | CULVERCITY | 6529 | — | Yes |
| 310-877 | SNMN SNMN | 899D | — | Yes |
| 310-878 | CMTN GRDN | 8826 | — | Yes |
| 310-879 | CMTN GRDN | 981E | 2012-08-14 | Yes |
| 310-880 | BEVERLYHLS | 6010 | 2001-04-19 | — |
| 310-881 | SNMN MRVS | 671J | — | Yes |
| 310-882 | W ANGELES | 6006 | — | Yes |
| 310-883 | SNMN SNMN | 671J | — | Yes |
| 310-884 | CMTN CMTN | 9740 | — | — |
| 310-885 | CMTN CMTN | 9740 | — | — |
| 310-886 | CMTN CMTN | 9740 | — | Yes |
| 310-887 | BEVERLYHLS | 9740 | — | — |
| 310-888 | BEVERLYHLS | 9740 | — | — |
| 310-889 | W ANGELES | 2319 | — | Yes |
| 310-890 | BEVERLYHLS | 6010 | 2001-04-19 | — |
| 310-891 | LOMITA | 9740 | — | — |
| 310-892 | CMTN GRDN | 6006 | — | Yes |
| 310-893 | W ANGELES | 7240 | — | Yes |
| 310-894 | CMTN CMTN | 7240 | — | Yes |
| 310-895 | CULVERCITY | 7240 | — | Yes |
| 310-896 | REDONDO | 671J | — | Yes |
| 310-897 | CMTN GRDN | 6010 | 2001-04-17 | — |
| 310-898 | CMTN CMTN | 9740 | — | — |
| 310-899 | SNMN SNMN | 2319 | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.