All assignees
800 prefixes in 630 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 630-900 | — | — | ||
| 630-901 | NAPERVILLE | 6529 | 2005-04-28 | Yes |
| 630-902 | WHEELING | 6534 | — | Yes |
| 630-903 | ELMHURST | 6529 | 2005-03-22 | Yes |
| 630-904 | NAPERVILLE | 9329 | — | — |
| 630-905 | ROSELLE | 9329 | — | — |
| 630-906 | AURORA | 9329 | — | — |
| 630-907 | AURORA | 9329 | — | Yes |
| 630-908 | HINSDALE | 6534 | — | Yes |
| 630-909 | WHEATON | 829J | — | Yes |
| 630-910 | DOWNERSGRV | 9329 | — | — |
| 630-911 | XXXXXXXXXX | MULT | — | — |
| 630-912 | ROSELLE | 7136 | — | Yes |
| 630-913 | WHEELING | 6534 | — | — |
| 630-914 | LEMONT | 9329 | 2006-06-20 | Yes |
| 630-915 | HINSDALE | 6529 | 2001-09-06 | — |
| 630-916 | LOMBARD | 9329 | — | — |
| 630-917 | ROSELLE | 6534 | — | — |
| 630-918 | LA GRANGE | 6529 | — | — |
| 630-919 | ITASCA | 7136 | — | Yes |
| 630-920 | HINSDALE | 9329 | — | — |
| 630-921 | SUMMIT | 6333 | — | Yes |
| 630-922 | NAPERVILLE | 9329 | — | — |
| 630-923 | WHEATON | 6529 | — | Yes |
| 630-924 | ROSELLE | 9329 | — | — |
| 630-925 | LOMBARD | 7196 | — | Yes |
| 630-926 | LA GRANGE | 6529 | — | — |
| 630-927 | LA GRANGE | 6333 | — | Yes |
| 630-928 | HINSDALE | 9329 | — | — |
| 630-929 | DOWNERSGRV | 6115 | — | — |
| 630-930 | ELMHURST | 6529 | — | Yes |
| 630-931 | ITASCA | 7136 | — | Yes |
| 630-932 | LOMBARD | 9329 | — | — |
| 630-933 | WHEATON | 9329 | — | — |
| 630-934 | ELBURN | 516C | 2001-02-14 | Yes |
| 630-935 | LOMBARD | 6529 | 2001-04-02 | — |
| 630-936 | ELMHURST | 6115 | — | Yes |
| 630-937 | BATAVIA | 829J | — | Yes |
| 630-938 | GENEVA | 6115 | — | Yes |
| 630-939 | NORTHBROOK | 6333 | — | Yes |
| 630-940 | ST CHARLES | 829J | — | Yes |
| 630-941 | ELMHURST | 9329 | — | — |
| 630-942 | GLEN ELLYN | 9329 | — | — |
| 630-943 | GENEVA | 7136 | — | Yes |
| 630-944 | DOWNERSGRV | 7196 | — | — |
| 630-945 | ST CHARLES | 7196 | — | Yes |
| 630-946 | NAPERVILLE | 829J | — | Yes |
| 630-947 | AURORA | 829J | — | Yes |
| 630-948 | BENSENVL | 6115 | — | Yes |
| 630-949 | WHEATON | 829J | — | Yes |
| 630-950 | — | — | ||
| 630-951 | NORTHBROOK | 6333 | — | Yes |
| 630-952 | AURORA | 460K | 2005-02-28 | Yes |
| 630-953 | LOMBARD | 9329 | — | Yes |
| 630-954 | HINSDALE | 9329 | — | Yes |
| 630-955 | NAPERVILLE | 9329 | — | Yes |
| 630-956 | ELMHURST | 9329 | 2003-01-31 | Yes |
| 630-957 | W CHICAGO | 460K | 2004-05-21 | Yes |
| 630-958 | — | — | ||
| 630-959 | — | — | ||
| 630-960 | DOWNERSGRV | 9329 | — | Yes |
| 630-961 | NAPERVILLE | 9329 | — | — |
| 630-962 | AURORA | 6115 | 2006-10-13 | Yes |
| 630-963 | DOWNERSGRV | 9329 | — | — |
| 630-964 | DOWNERSGRV | 9329 | — | — |
| 630-965 | BARTLETT | 6529 | — | — |
| 630-966 | AURORA | 9329 | — | — |
| 630-967 | DOWNERSGRV | 460K | 2004-05-24 | Yes |
| 630-968 | DOWNERSGRV | 9329 | — | — |
| 630-969 | DOWNERSGRV | 9329 | — | — |
| 630-970 | WHEELING | 6534 | — | — |
| 630-971 | DOWNERSGRV | 9329 | — | — |
| 630-972 | LEMONT | 9329 | — | — |
| 630-973 | ROSELLE | 6529 | 2001-04-19 | Yes |
| 630-974 | HINSDALE | 6115 | — | Yes |
| 630-975 | NORTHBROOK | 6333 | — | Yes |
| 630-976 | — | — | ||
| 630-977 | ROSELLE | 6534 | — | Yes |
| 630-978 | AURORA | 9329 | — | — |
| 630-979 | NAPERVILLE | 9329 | — | — |
| 630-980 | ROSELLE | 9329 | — | — |
| 630-981 | DOWNERSGRV | 7196 | — | Yes |
| 630-982 | BIG ROCK | 6115 | — | Yes |
| 630-983 | NAPERVILLE | 9329 | — | — |
| 630-984 | GLEN ELLYN | 6115 | — | Yes |
| 630-985 | DOWNERSGRV | 9329 | — | — |
| 630-986 | HINSDALE | 9329 | — | — |
| 630-987 | ROSELLE | 6534 | — | Yes |
| 630-988 | LA GRANGE | 6333 | — | — |
| 630-989 | NORTHBROOK | 6333 | — | Yes |
| 630-990 | HINSDALE | 9329 | — | — |
| 630-991 | DOWNERSGRV | 6534 | 2004-07-27 | Yes |
| 630-992 | NORTHBROOK | 6333 | — | Yes |
| 630-993 | ELMHURST | 9329 | — | — |
| 630-994 | ROSELLE | 7196 | — | Yes |
| 630-995 | NAPERVILLE | 6534 | 2004-08-25 | Yes |
| 630-996 | DOWNERSGRV | 6534 | 2025-05-12 | Yes |
| 630-997 | ROSELLE | 6534 | — | Yes |
| 630-998 | GENEVA | 7196 | — | Yes |
| 630-999 | SUGARGROVE | 6529 | 2006-06-21 | 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.