All assignees
800 prefixes in 530 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 530-900 | CORNING | 073H | — | Yes |
| 530-901 | CHICO | 624H | 2021-04-14 | Yes |
| 530-902 | DAVIS | 6006 | — | Yes |
| 530-903 | PLVL WEST | 6529 | — | Yes |
| 530-904 | GEORGETOWN | 939H | 2023-08-10 | Yes |
| 530-905 | YREKA | 6261 | — | Yes |
| 530-906 | AUBN MAIN | 6006 | — | — |
| 530-907 | CHICO | 732J | 2023-01-11 | Yes |
| 530-908 | WOODLAND | 6006 | — | — |
| 530-909 | MERIDIAN | 939H | 2023-08-10 | Yes |
| 530-910 | HAYFORK | 516J | 2022-02-25 | Yes |
| 530-911 | XXXXXXXXXX | MULT | — | — |
| 530-912 | TRUCKEE | 939H | 2023-08-10 | Yes |
| 530-913 | GRVY MAIN | 6006 | — | — |
| 530-914 | OROVILLE | 649C | 2024-06-11 | Yes |
| 530-915 | PARADISE | 649C | 2024-07-05 | Yes |
| 530-916 | DAVIS | 649C | 2026-05-06 | Yes |
| 530-917 | REDDING | 6010 | — | Yes |
| 530-918 | MT SHASTA | 9740 | — | Yes |
| 530-919 | PLVL WEST | 6006 | — | — |
| 530-920 | GRVY MAIN | 973E | 2022-10-03 | Yes |
| 530-921 | REDDING | 6529 | 2001-09-19 | Yes |
| 530-922 | OROVILLE | 7229 | 2018-04-05 | Yes |
| 530-923 | MARYSVILLE | 8826 | 2005-06-01 | Yes |
| 530-924 | CHICO | 508J | — | Yes |
| 530-925 | MT SHASTA | 6006 | — | Yes |
| 530-926 | MT SHASTA | 9740 | — | — |
| 530-927 | QUINCY | 6006 | — | Yes |
| 530-928 | GERBER | 516J | 2022-03-01 | Yes |
| 530-929 | SHINGLESPG | 6006 | 2022-03-21 | Yes |
| 530-930 | MARYSVILLE | 973E | 2022-09-23 | Yes |
| 530-931 | SUSANVILLE | 6261 | — | Yes |
| 530-932 | ANDERSON | 6006 | 2022-07-21 | Yes |
| 530-933 | MARYSVILLE | 6529 | 2002-04-15 | Yes |
| 530-934 | WILLOWS | 9740 | — | — |
| 530-935 | GEORGETOWN | 649C | 2020-11-13 | Yes |
| 530-936 | ORLAND | 8826 | — | Yes |
| 530-937 | YREKA | 8826 | — | Yes |
| 530-938 | WEED | 9740 | — | Yes |
| 530-939 | NOSAN JUAN | 373F | 2023-04-18 | Yes |
| 530-940 | AUBN MAIN | 7229 | 2023-03-31 | Yes |
| 530-941 | REDDING | 6010 | — | — |
| 530-942 | SIERRAVL | 516J | 2022-02-18 | Yes |
| 530-943 | WILLOWS | 490J | 2023-05-01 | Yes |
| 530-944 | WILLOW CRK | 965H | 2021-03-10 | Yes |
| 530-945 | REDDING | 6010 | — | — |
| 530-946 | NEWPINECRK | 2360 | — | — |
| 530-947 | COLUSA | 490J | 2023-05-01 | Yes |
| 530-948 | MERIDIAN | 515J | — | Yes |
| 530-949 | REDDING | 6010 | — | — |
| 530-950 | — | — | ||
| 530-951 | MARYSVILLE | 649C | 2026-08-26 | Yes |
| 530-952 | PLVL WEST | 490J | 2023-05-04 | Yes |
| 530-953 | REDDING | 981E | — | Yes |
| 530-954 | LIVE OAK | 394L | 2023-05-24 | Yes |
| 530-955 | NEVADACITY | 649C | — | Yes |
| 530-956 | MARYSVILLE | 7145 | 2023-08-22 | Yes |
| 530-957 | PLVL WEST | 6006 | — | — |
| 530-958 | — | — | ||
| 530-959 | — | — | ||
| 530-960 | BIGGS | 649C | 2022-11-23 | Yes |
| 530-961 | CHICO | 7128 | 2003-07-17 | Yes |
| 530-962 | SHASTALAKE | 515J | — | Yes |
| 530-963 | STONYFORD | 9740 | — | Yes |
| 530-964 | MCCLOUD | 2308 | — | Yes |
| 530-965 | CHICO | 5562 | — | Yes |
| 530-966 | CHICO | 6006 | — | Yes |
| 530-967 | PLVL SOUTH | 516J | 2022-02-23 | Yes |
| 530-968 | ELK CREEK | 9740 | — | Yes |
| 530-969 | NTAH BCWY | 516J | 2022-03-14 | Yes |
| 530-970 | SODA SPG | 516J | 2022-02-25 | Yes |
| 530-971 | PLVL WEST | 6529 | 2023-08-23 | Yes |
| 530-972 | REDDING | 6529 | 2023-09-26 | Yes |
| 530-973 | ARBUCKLE | 939H | 2023-12-22 | Yes |
| 530-974 | GUINDA | 6006 | 2024-01-29 | Yes |
| 530-975 | GRIDLEY | 649C | 2022-11-18 | Yes |
| 530-976 | — | — | ||
| 530-977 | AUBN NORTH | 965H | 2020-06-01 | Yes |
| 530-978 | MARYSVILLE | 6010 | 2024-03-14 | Yes |
| 530-979 | DAVIS | 6529 | 2001-06-26 | Yes |
| 530-980 | WOODLAND | 624H | 2023-11-30 | Yes |
| 530-981 | AUBN MAIN | 6529 | 2024-05-22 | Yes |
| 530-982 | BUTTE CITY | 9740 | — | Yes |
| 530-983 | REDDING | 6529 | 2024-07-12 | Yes |
| 530-984 | BLAIRSDEN | 516C | 2024-10-08 | Yes |
| 530-985 | GAZELLE | 516C | 2024-10-08 | Yes |
| 530-986 | REDDING | 6006 | 2024-10-21 | Yes |
| 530-987 | BUTTE CITY | 6010 | 2024-11-12 | Yes |
| 530-988 | ORLAND | 515J | — | Yes |
| 530-989 | NORTH YUBA | 516J | 2022-03-07 | Yes |
| 530-990 | OROVILLE | 6006 | — | Yes |
| 530-991 | OROVILLE | 6010 | 2024-11-21 | Yes |
| 530-992 | WEAVERVL | 6529 | 2025-03-21 | Yes |
| 530-993 | LOYALTON | 9740 | — | Yes |
| 530-994 | SIERRAVL | 9740 | — | Yes |
| 530-995 | QUINCY | 5562 | 2025-03-26 | Yes |
| 530-996 | AUBN MAIN | 6529 | 2025-04-25 | Yes |
| 530-997 | MARYSVILLE | 6010 | 2025-09-24 | Yes |
| 530-998 | AUBN MAIN | 6529 | 2025-10-30 | Yes |
| 530-999 | REDDING | 649C | — | Yes |
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.