| 781-904 | Boston | Mcimetro Access Transmission Services Llc |
| 781-906 | Boston | Mcimetro Access Transmission Services Llc |
| 781-907 | Cambridge | Mci Worldcom Communications, Inc. - Ma |
| 781-910 | North Billerica | Cellco Partnership Dba Verizon Wireless - Ma |
| 781-912 | Cambridge | Xo Massachusetts, Inc. |
| 781-913 | Woburn | Sprint Spectrum L.p. |
| 781-914 | Cambridge | Ctc Communications Corp. - Ma |
| 781-915 | Cambridge | Xo Massachusetts, Inc. |
| 781-916 | Charlestown | Broadview Networks, Inc. - Ma |
| 781-917 | West Roxbury | Mcimetro Access Transmission Services Llc |
| 781-922 | Cambridge | Mci Worldcom Communications, Inc. - Ma |
| 781-923 | Chelmsford | Comcast Phone Of Massachusetts, Inc. - Ma |
| 781-924 | Chelmsford | Comcast Phone Of Massachusetts, Inc. - Ma |
| 781-925 | Hingham | Verizon New England Inc. |
| 781-926 | Cambridge | Global Crossing Local Services, Inc.-ma |
| 781-927 | Boston | Paetec Communications, Inc.- Ma |
| 781-928 | Boston | Paetec Communications, Inc.- Ma |
| 781-929 | Cambridge | New Cingular Wireless Pcs, Llc - Dc |
| 781-930 | Cambridge | Xo Massachusetts, Inc. |
| 781-932 | Winchester | Verizon New England Inc. |
| 781-933 | Winchester | Verizon New England Inc. |
| 781-934 | Duxbury | Verizon New England Inc. |
| 781-935 | Winchester | Verizon New England Inc. |
| 781-936 | Boston | Paetec Communications, Inc.- Ma |
| 781-937 | Winchester | Verizon New England Inc. |
| 781-938 | Winchester | Verizon New England Inc. |
| 781-939 | Winchester | Verizon New England Inc. |
| 781-941 | Saugus | Verizon New England Inc. |
| 781-942 | Reading | Verizon New England Inc. |
| 781-943 | Cambridge | Tc Systems, Inc. |
| 781-944 | Reading | Verizon New England Inc. |
| 781-945 | Boston | Bandwidth.com Clec, Llc - Ma |
| 781-948 | Boston | Xo Massachusetts, Inc. |
| 781-951 | Boston | Local Access Llc - Ma |
| 781-952 | Boston | Tc Systems, Inc. |
| 781-953 | Woburn | Sprint Spectrum L.p. |
| 781-954 | Cambridge | Local Access Llc - Ma |
| 781-956 | Cambridge | New Cingular Wireless Pcs, Llc - Dc |
| 781-957 | Charlestown | Broadview Networks, Inc. - Ma |
| 781-960 | Boston | Paetec Communications, Inc.- Ma |
| 781-961 | Randolph | Verizon New England Inc. |
| 781-962 | Woburn | Sprint Spectrum L.p. |
| 781-963 | Randolph | Verizon New England Inc. |
| 781-964 | Walpole | Sprint Spectrum L.p. |
| 781-965 | Franklin | Norfolk County Internet, Inc. |
| 781-968 | Cambridge | Broadwing Communications, Llc - Ma |
| 781-970 | Cambridge | Mci Worldcom Communications, Inc. - Ma |
| 781-972 | Boston | Allegiance Telecom, Inc. - Ma |
| 781-974 | West Roxbury | Ctc Communications Corp. - Ma |
| 781-975 | Brockton | Omnipoint Miami E License, Llc |
| 781-979 | Malden | Verizon New England Inc. |
| 781-981 | Lexington | Verizon New England Inc. |
| 781-982 | Rockland | Verizon New England Inc. |
| 781-983 | Woburn | Sprint Spectrum L.p. |
| 781-984 | Boston | Allegiance Telecom, Inc. - Ma |
| 781-985 | Cambridge | Omnipoint Miami E License, Llc |
| 781-986 | Randolph | Verizon New England Inc. |
| 781-987 | Boston | Comcast Phone Of Massachusetts, Inc. - Ma |
| 781-989 | Cambridge | Broadwing Communications, Llc - Ma |
| 781-990 | Chelmsford | Comcast Phone Of Massachusetts, Inc. - Ma |
| 781-992 | Stoneham | Rcn Telecom Services, Inc. - Ma |
| 781-993 | Burlington | Verizon New England Inc. |
| 781-994 | Cambridge | Tc Systems, Inc. |
| 781-995 | Cambridge | Level 3 Communications, Llc - Ma |
| 781-996 | Cambridge | Level 3 Communications, Llc - Ma |
| 781-997 | Cambridge | Xo Massachusetts, Inc. |
| 781-998 | Boston | Xo Massachusetts, Inc. |
| 781-999 | Westborough | Verizon New England Inc. |