All assignees
800 prefixes in 617 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 617-900 | XXXXXXXXXX | 9102 | — | — |
| 617-901 | BOSTON | 4036 | — | — |
| 617-902 | CAMBRIDGE | 829J | — | Yes |
| 617-903 | BRIGHTON | 829J | — | Yes |
| 617-904 | BOSTON | 829J | — | Yes |
| 617-905 | DORCHESTER | 5562 | — | Yes |
| 617-906 | BROOKLINE | 4018 | — | Yes |
| 617-907 | MILTON | 6083 | — | — |
| 617-908 | BOSTON | 5562 | — | Yes |
| 617-909 | CAMBRIDGE | 4036 | — | — |
| 617-910 | HYDE PARK | 318J | — | Yes |
| 617-911 | XXXXXXXXXX | MULT | — | — |
| 617-912 | BOSTON | 7135 | — | — |
| 617-913 | EASTBOSTON | 6387 | — | Yes |
| 617-914 | CAMBRIDGE | 7229 | — | — |
| 617-915 | MILTON | 892D | — | Yes |
| 617-916 | NEWTON | 318J | — | Yes |
| 617-917 | EVERETT | 7229 | — | Yes |
| 617-918 | BOSTON | 9102 | — | Yes |
| 617-919 | BOSTON | 9102 | — | — |
| 617-920 | CAMBRIDGE | 9102 | — | — |
| 617-921 | BOSTON | 6387 | — | — |
| 617-922 | MILTON | 4036 | — | — |
| 617-923 | WATERTOWN | 9102 | — | — |
| 617-924 | WATERTOWN | 9102 | — | — |
| 617-925 | BRIGHTON | 4018 | — | Yes |
| 617-926 | WATERTOWN | 9102 | — | — |
| 617-927 | BOSTON | 9102 | — | Yes |
| 617-928 | NEWTON | 9102 | — | Yes |
| 617-929 | DORCHESTER | 9102 | — | — |
| 617-930 | WALTHAM | 4036 | — | — |
| 617-931 | BOSTON | 9102 | — | — |
| 617-932 | BELMONT | 7135 | — | Yes |
| 617-933 | BOSTON | 829J | — | — |
| 617-934 | QUINCY | 4018 | — | Yes |
| 617-935 | BROOKLINE | 6889 | 2002-07-31 | Yes |
| 617-936 | BOSTON | 829J | 2011-12-09 | Yes |
| 617-937 | BOSTON | 9102 | — | Yes |
| 617-938 | BOSTON | 4018 | 2004-08-04 | Yes |
| 617-939 | BOSTON | 6387 | — | Yes |
| 617-940 | — | — | ||
| 617-941 | SOMERVILLE | 7229 | — | Yes |
| 617-942 | JAMAICA PL | 7135 | — | Yes |
| 617-943 | BOSTON | 4036 | — | — |
| 617-944 | EVERETT | 318J | 2001-03-08 | Yes |
| 617-945 | CAMBRIDGE | 318J | — | Yes |
| 617-946 | BOSTON | 9102 | — | Yes |
| 617-947 | BOSTON | 6387 | — | — |
| 617-948 | BOSTON | 7619 | — | Yes |
| 617-949 | CAMBRIDGE | 7229 | — | Yes |
| 617-950 | — | — | ||
| 617-951 | BOSTON | 9102 | — | — |
| 617-952 | CHARLESTN | 7229 | 2001-03-08 | Yes |
| 617-953 | BROOKLINE | 6889 | — | — |
| 617-954 | BOSTON | 9102 | — | Yes |
| 617-955 | CAMBRIDGE | 4036 | 2005-05-09 | Yes |
| 617-956 | BOSTON | 9102 | — | Yes |
| 617-957 | MELROSE | 4036 | — | — |
| 617-958 | CHELSEA | 892D | — | Yes |
| 617-959 | BOSTON | 6889 | 2004-08-23 | Yes |
| 617-960 | BOSTON | 7229 | — | Yes |
| 617-961 | BOSTON | 9102 | 2001-12-26 | Yes |
| 617-962 | WALTHAM | 4036 | — | — |
| 617-963 | BOSTON | 6889 | 2007-09-27 | Yes |
| 617-964 | NEWTON | 9102 | — | — |
| 617-965 | NEWTON | 9102 | — | — |
| 617-966 | WALTHAM | 4036 | — | — |
| 617-967 | WALTHAM | 4036 | — | Yes |
| 617-968 | WALTHAM | 4036 | — | Yes |
| 617-969 | NEWTON | 9102 | — | — |
| 617-970 | EASTBOSTON | 5562 | — | Yes |
| 617-971 | JAMAICA PL | 9102 | — | Yes |
| 617-972 | WATERTOWN | 9102 | — | — |
| 617-973 | BOSTON | 9102 | — | — |
| 617-974 | WALTHAM | 4036 | — | — |
| 617-975 | BROOKLINE | 9102 | — | — |
| 617-976 | — | — | ||
| 617-977 | BELMONT | 7229 | — | Yes |
| 617-978 | XXXXXXXXXX | MULT | — | — |
| 617-979 | DORCHESTER | 829J | — | — |
| 617-980 | MILTON | 5562 | 2002-10-25 | Yes |
| 617-981 | EASTBOSTON | 7619 | — | Yes |
| 617-982 | BOSTON | 6889 | — | Yes |
| 617-983 | JAMAICA PL | 9102 | — | — |
| 617-984 | QUINCY | 9102 | — | Yes |
| 617-985 | QUINCY | 9102 | — | — |
| 617-986 | BOSTON | 829J | — | — |
| 617-987 | BRIGHTON | 7619 | — | Yes |
| 617-988 | BOSTON | 9102 | — | — |
| 617-989 | ROXBURY | 9102 | — | — |
| 617-990 | HYDE PARK | 4018 | — | Yes |
| 617-991 | BROOKLINE | 7229 | — | Yes |
| 617-992 | BROOKLINE | 7229 | — | Yes |
| 617-993 | BELMONT | 9102 | — | Yes |
| 617-994 | BOSTON | 9102 | — | — |
| 617-995 | CAMBRIDGE | 7229 | — | — |
| 617-996 | SOMERVILLE | 4018 | — | Yes |
| 617-997 | EASTBOSTON | 4018 | — | Yes |
| 617-998 | CAMBRIDGE | 9102 | 2001-06-21 | — |
| 617-999 | CAMBRIDGE | 6387 | — | 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.