NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 781-897 | PAETEC ITEL, LLC | 829J | WOBURN | MA | |
| 781-898 | ONVOY SPECTRUM, LLC | 624H | NEEDHAM | MA | |
| 781-899 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-900 | VERIZON NEW ENGLAND INC. | 9102 | XXXXXXXXXX | MA | |
| 781-902 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WALTHAM | MA | |
| 781-904 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WOBURN | MA | |
| 781-906 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WALTHAM | MA | |
| 781-907 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WALTHAM | MA | |
| 781-908 | BANDWIDTH.COM CLEC, LLC - MA | 990E | HINGHAM | MA | |
| 781-910 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | LYNN | MA | |
| 781-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | MA | |
| 781-912 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MALDEN | MA | |
| 781-915 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DEDHAM | MA | |
| 781-916 | PAETEC ITEL, LLC | 829J | WALTHAM | MA | |
| 781-917 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BRAINTREE | MA | |
| 781-920 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-922 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | REVERE | MA | |
| 781-923 | COMCAST IP PHONE, LLC | 318J | COHASSET | MA | |
| 781-924 | COMCAST IP PHONE, LLC | 318J | HANOVER | MA | |
| 781-925 | VERIZON NEW ENGLAND INC. | 9102 | HULL | MA | |
| 781-926 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | BRAINTREE | MA | |
| 781-927 | PAETEC ITEL, LLC | 829J | WEYMOUTH | MA | |
| 781-928 | PAETEC ITEL, LLC | 829J | WAKEFIELD | MA | |
| 781-930 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BRAINTREE | MA | |
| 781-931 | VERIZON NEW ENGLAND INC. | 9102 | BOSTON | MA | |
| 781-932 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-933 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-934 | VERIZON NEW ENGLAND INC. | 9102 | DUXBURY | MA | |
| 781-935 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-936 | PAETEC ITEL, LLC | 829J | KINGSTON | MA | |
| 781-937 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-938 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-939 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-940 | MA | ||||
| 781-941 | VERIZON NEW ENGLAND INC. | 9102 | SAUGUS | MA | |
| 781-942 | VERIZON NEW ENGLAND INC. | 9102 | READING | MA | |
| 781-943 | TC SYSTEMS, INC. | 7135 | WELLESLEY | MA | |
| 781-944 | VERIZON NEW ENGLAND INC. | 9102 | READING | MA | |
| 781-945 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-948 | XO MASSACHUSETS, INC. | 4536 | NORWOOD | MA | |
| 781-949 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NORWOOD | MA | |
| 781-950 | MA | ||||
| 781-951 | ONVOY, LLC - MA | 892D | REVERE | MA | |
| 781-952 | TC SYSTEMS, INC. | 7135 | BRAINTREE | MA | |
| 781-953 | METROPCS, INC. | 5562 | REVERE | MA | |
| 781-954 | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | STONEHAM | MA | |
| 781-956 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NORWOOD | MA | |
| 781-957 | PAETEC ITEL, LLC | 829J | MEDFORD | MA | |
| 781-958 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-959 | MA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.