All assignees
800 prefixes in 573 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 573-900 | PERRYVILLE | 965H | 2019-08-01 | Yes |
| 573-901 | MALDEN | 093F | — | Yes |
| 573-902 | PERRYVILLE | 6529 | 2022-12-15 | Yes |
| 573-903 | BRAZITO | 093F | 2022-11-15 | Yes |
| 573-904 | BIRCH TREE | 6534 | 2023-03-16 | Yes |
| 573-905 | JEFFERSNCY | 318J | 2023-03-27 | Yes |
| 573-906 | CAPEGIRARD | 6534 | 2023-04-03 | Yes |
| 573-907 | ST THOMAS | 093F | 2021-02-18 | Yes |
| 573-908 | JACKSON | 490J | 2023-05-04 | Yes |
| 573-909 | NEWBLOMFLD | 093F | 2021-02-01 | Yes |
| 573-910 | FARMINGTON | 996H | 2018-05-08 | Yes |
| 573-911 | XXXXXXXXXX | MULT | — | — |
| 573-912 | HATTON | 4932 | 2017-11-02 | Yes |
| 573-913 | BLOOMSDALE | 093F | 2021-03-12 | Yes |
| 573-914 | CAPEGIRARD | 6534 | 2023-05-24 | Yes |
| 573-915 | FARMINGTON | 6534 | 2005-04-20 | Yes |
| 573-916 | CHERRYVL | 516J | 2022-01-14 | Yes |
| 573-917 | DIXON | 4932 | 2006-05-09 | Yes |
| 573-918 | BIRCH TREE | 6534 | 2023-05-15 | Yes |
| 573-919 | KENNETT | 993E | — | Yes |
| 573-920 | ELDON | 993E | 2016-08-23 | Yes |
| 573-921 | EWING | 093F | — | Yes |
| 573-922 | CARUTHRSVL | 6534 | — | Yes |
| 573-923 | BLOOMFIELD | 093F | 2016-09-19 | Yes |
| 573-924 | SWEETWATER | 1874 | — | — |
| 573-925 | CENTERVL | 093F | — | Yes |
| 573-926 | LOUISIANA | 6529 | 2022-01-13 | Yes |
| 573-927 | STANTON | 1882 | — | Yes |
| 573-928 | MONTAUK | 093F | — | Yes |
| 573-929 | BELLFLOWER | 1885 | — | Yes |
| 573-930 | HAYTI | 993E | 2015-08-28 | Yes |
| 573-931 | SIKESTON | 6529 | — | Yes |
| 573-932 | CAMDENTON | 6275 | 2020-04-03 | Yes |
| 573-933 | CENTRALIA | 6534 | — | Yes |
| 573-934 | FREDERCKTN | 5814 | — | — |
| 573-935 | DEXTER | 6529 | 2021-09-08 | Yes |
| 573-936 | MEXICO | 093F | 2021-03-12 | Yes |
| 573-937 | WAYNESVL | 6534 | 2017-04-07 | Yes |
| 573-938 | STOUTSVL | 993E | — | Yes |
| 573-939 | VANDALIA | 1885 | 2015-06-17 | Yes |
| 573-940 | ASHLAND | 093F | 2023-06-28 | Yes |
| 573-941 | COLUMBIA | 490J | 2023-06-29 | Yes |
| 573-942 | SANTA FE | 093F | — | Yes |
| 573-943 | MTSTERLING | 9787 | — | Yes |
| 573-944 | FREDERCKTN | 6534 | 2006-09-29 | Yes |
| 573-945 | GARWOOD | 1874 | — | — |
| 573-946 | POCAHONTAS | 965H | 2019-10-25 | Yes |
| 573-947 | BIRCH TREE | 6534 | 2023-07-28 | Yes |
| 573-948 | CAPEGIRARD | 6534 | 2023-07-28 | Yes |
| 573-949 | HALLSVILLE | 093F | — | Yes |
| 573-950 | — | — | ||
| 573-951 | ANNAPOLIS | 939H | 2023-08-08 | Yes |
| 573-952 | FLAT RIVER | 6529 | 2021-02-05 | Yes |
| 573-953 | BIRCH TREE | 6534 | 2004-11-04 | Yes |
| 573-954 | BEAUFORT | 939H | 2023-08-08 | Yes |
| 573-955 | BISMARCK | 516C | 2009-12-11 | Yes |
| 573-956 | MONTGORYCY | 093F | 2021-03-12 | Yes |
| 573-957 | CAPEGIRARD | 6534 | 2022-11-15 | Yes |
| 573-958 | — | — | ||
| 573-959 | — | — | ||
| 573-960 | CANTON | 939H | 2023-08-08 | Yes |
| 573-961 | CHAFFEE | 939H | 2023-08-08 | Yes |
| 573-962 | BIRCH TREE | 6534 | 2023-09-01 | Yes |
| 573-963 | NEW MADRID | 4932 | 2016-07-28 | Yes |
| 573-964 | LKOZKOSBCH | 9533 | — | Yes |
| 573-965 | VERSAILLES | 6534 | 2017-06-23 | Yes |
| 573-966 | LEADWOOD | 093F | 2016-09-21 | Yes |
| 573-967 | FISK | 9533 | — | Yes |
| 573-968 | COLUMBIA | 093F | 2023-09-25 | Yes |
| 573-969 | CENTRALIA | 792K | 2011-08-30 | Yes |
| 573-970 | COLUMBIA | 732J | — | Yes |
| 573-971 | CAPEGIRARD | 6534 | 2023-10-27 | Yes |
| 573-972 | META | 093F | 2021-02-18 | Yes |
| 573-973 | EOLIA | 093F | 2020-10-01 | Yes |
| 573-974 | FARMINGTON | 6534 | 2023-10-27 | Yes |
| 573-975 | MEXICO | 225F | 2013-04-11 | Yes |
| 573-976 | XXXXXXXXXX | MULT | — | — |
| 573-977 | BIGSPRING | 4932 | 2017-11-02 | Yes |
| 573-978 | CENTERTOWN | 612K | 2024-03-13 | Yes |
| 573-979 | CAPEGIRARD | 5814 | — | — |
| 573-980 | BONNETERRE | 624H | 2024-03-29 | Yes |
| 573-981 | CAMDENTON | 624H | 2024-03-29 | Yes |
| 573-982 | CENTRALIA | 093F | 2003-06-03 | Yes |
| 573-983 | HUNNEWELL | 1151 | — | Yes |
| 573-984 | STEGNVIEVE | 6534 | 2015-09-08 | Yes |
| 573-985 | NEW LONDON | 1927 | — | Yes |
| 573-986 | CAPEGIRARD | 9533 | — | Yes |
| 573-987 | JACKSON | 6534 | 2015-02-26 | Yes |
| 573-988 | COLUMBIA | 093F | 2024-07-03 | Yes |
| 573-989 | NEELYVILLE | 1885 | — | Yes |
| 573-990 | MALDEN | 6534 | 2006-07-05 | Yes |
| 573-991 | MEXICO | 624H | 2024-03-29 | Yes |
| 573-992 | MORRISON | 506J | — | Yes |
| 573-993 | CLARKSVL | 093F | 2020-10-20 | Yes |
| 573-994 | ANNAPOLIS | 093F | — | Yes |
| 573-995 | BELLFLOWER | 4932 | 2005-12-12 | Yes |
| 573-996 | DONIPHAN | 1885 | — | Yes |
| 573-997 | BIRCH TREE | 6534 | 2024-08-05 | Yes |
| 573-998 | WILLIAMSVL | 1885 | — | Yes |
| 573-999 | COLUMBIA | 6534 | — | — |
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.