All assignees
800 prefixes in 530 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 530-800 | CHICO | 622J | — | Yes |
| 530-801 | CHICO | 7145 | 2010-09-15 | Yes |
| 530-802 | GRVY MAIN | 981E | 2010-09-08 | Yes |
| 530-803 | COTTONWOOD | 649C | — | Yes |
| 530-804 | WILLOWS | 649C | — | Yes |
| 530-805 | ORLAND | 373F | 2016-02-15 | Yes |
| 530-806 | REDDING | 8826 | 2016-06-17 | Yes |
| 530-807 | NTAH THCY | 792K | 2016-06-27 | Yes |
| 530-808 | DAVIS | 671J | 2022-06-29 | Yes |
| 530-809 | CHICO | 394L | 2006-06-28 | Yes |
| 530-810 | BIGGS | 671J | 2022-06-29 | Yes |
| 530-811 | XXXXXXXXXX | MULT | — | — |
| 530-812 | MARYSVILLE | 981E | 2014-06-23 | Yes |
| 530-813 | MARYSVILLE | 6006 | 2014-10-14 | Yes |
| 530-814 | — | — | ||
| 530-815 | CHICO | 373F | 2014-10-13 | Yes |
| 530-816 | CHESTER | 6006 | 2004-11-24 | Yes |
| 530-817 | NEVADACITY | 973E | — | Yes |
| 530-818 | MARYSVILLE | 649C | 2026-07-24 | Yes |
| 530-819 | COLFAX | 981E | 2021-11-12 | Yes |
| 530-820 | AUBN MAIN | 8826 | — | Yes |
| 530-821 | MARYSVILLE | 9740 | — | Yes |
| 530-822 | MARYSVILLE | 9740 | — | Yes |
| 530-823 | AUBN MAIN | 9740 | — | — |
| 530-824 | CORNING | 9740 | — | — |
| 530-825 | EAGLE LAKE | 2308 | — | Yes |
| 530-826 | CHICO | 9740 | — | Yes |
| 530-827 | HERLONG | 2308 | — | Yes |
| 530-828 | CHICO | 6529 | 2002-08-21 | Yes |
| 530-829 | CHICO | 197D | 2018-03-14 | Yes |
| 530-830 | AUBN NORTH | 649C | — | Yes |
| 530-831 | PORTOLA | 7145 | — | Yes |
| 530-832 | PORTOLA | 9740 | — | Yes |
| 530-833 | PASKENTA | 9740 | — | Yes |
| 530-834 | GRVY MAIN | 671J | 2022-06-29 | Yes |
| 530-835 | NOSAN JUAN | 649C | 2020-11-13 | Yes |
| 530-836 | BLAIRSDEN | 9740 | — | Yes |
| 530-837 | — | — | ||
| 530-838 | CORNING | 9740 | — | Yes |
| 530-839 | VINA | 9740 | — | Yes |
| 530-840 | RED BLUFF | 6529 | 2002-04-15 | Yes |
| 530-841 | YREKA | 9740 | — | Yes |
| 530-842 | YREKA | 9740 | — | — |
| 530-843 | CORNING | 321J | 2022-08-25 | Yes |
| 530-844 | MARYSVILLE | 981E | — | Yes |
| 530-845 | MARYSVILLE | 6006 | — | Yes |
| 530-846 | GRIDLEY | 9740 | — | Yes |
| 530-847 | ALTA | 516C | 2011-12-08 | Yes |
| 530-848 | WOODLAND | 5562 | — | Yes |
| 530-849 | SHINGLETN | 8826 | 2017-08-07 | Yes |
| 530-850 | VERDI | 622J | 2021-10-01 | Yes |
| 530-851 | OROVILLE | 9748 | — | — |
| 530-852 | AUBN MAIN | 7229 | — | Yes |
| 530-853 | MCCLOUD | 8826 | 2005-10-14 | Yes |
| 530-854 | OROVILLE | 6006 | 2015-06-11 | Yes |
| 530-855 | CHICO | 965H | 2019-12-02 | Yes |
| 530-856 | CHICO | 671J | 2022-06-01 | Yes |
| 530-857 | CHICO | 515J | 2021-09-21 | Yes |
| 530-858 | REDDING | 649C | 2026-08-21 | Yes |
| 530-859 | MT SHASTA | 6010 | 2001-05-18 | Yes |
| 530-860 | OROVILLE | 939H | 2022-02-14 | Yes |
| 530-861 | VINA | 515J | — | Yes |
| 530-862 | DOWNIEVL | 9740 | — | Yes |
| 530-863 | AUBN MAIN | 6529 | 2002-04-15 | Yes |
| 530-864 | CHICO | 6010 | — | — |
| 530-865 | ORLAND | 9740 | — | — |
| 530-866 | COLFAX | 965H | 2020-06-01 | Yes |
| 530-867 | WOODLAND | 6010 | — | Yes |
| 530-868 | BIGGS | 9740 | — | Yes |
| 530-869 | BIGGS | 394L | — | Yes |
| 530-870 | MARYSVILLE | 5562 | 2002-07-17 | Yes |
| 530-871 | OROVILLE | 981E | — | Yes |
| 530-872 | PARADISE | 9740 | — | — |
| 530-873 | PARADISE | 9740 | — | Yes |
| 530-874 | WILLIAMS | 973E | 2022-10-03 | Yes |
| 530-875 | CHICO | 506J | 2021-11-22 | Yes |
| 530-876 | PARADISE | 9740 | — | Yes |
| 530-877 | PARADISE | 9740 | — | — |
| 530-878 | AUBN MAIN | 9740 | — | Yes |
| 530-879 | CHICO | 9740 | — | — |
| 530-880 | ORLAND | 516J | 2022-02-23 | Yes |
| 530-881 | VERDI | 252F | 2011-05-09 | Yes |
| 530-882 | RICHVALE | 9740 | — | Yes |
| 530-883 | AUBN MAIN | 649C | — | Yes |
| 530-884 | BUTTE CITY | 8826 | — | Yes |
| 530-885 | AUBN MAIN | 9740 | — | — |
| 530-886 | AUBN MAIN | 9740 | — | Yes |
| 530-887 | AUBN MAIN | 9740 | — | Yes |
| 530-888 | AUBN MAIN | 9740 | — | Yes |
| 530-889 | AUBN MAIN | 9740 | — | — |
| 530-890 | PLVL WEST | 9748 | — | — |
| 530-891 | CHICO | 9740 | — | — |
| 530-892 | CHICO | 9740 | — | Yes |
| 530-893 | CHICO | 9740 | — | — |
| 530-894 | CHICO | 9740 | — | Yes |
| 530-895 | CHICO | 9740 | — | — |
| 530-896 | CHICO | 9740 | — | Yes |
| 530-897 | CHICO | 9740 | — | Yes |
| 530-898 | CHICO | 9740 | — | — |
| 530-899 | CHICO | 9740 | — | — |
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.