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
New assignments by month
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 781-710 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | LYNN | MA | |
| 781-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | MA | |
| 781-712 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MELROSE | MA | |
| 781-713 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | CANTON | MA | |
| 781-714 | MA | ||||
| 781-716 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WAKEFIELD | MA | |
| 781-717 | RCN TELECOM SERVICES, INC. - MA | 7619 | WINCHESTER | MA | |
| 781-718 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | LYNN | MA | |
| 781-719 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEEDHAM | MA | |
| 781-721 | VERIZON NEW ENGLAND INC. | 9102 | WINCHESTER | MA | |
| 781-722 | PAETEC ITEL, LLC | 829J | WINCHESTER | MA | |
| 781-724 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WEYMOUTH | MA | |
| 781-725 | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | NORWOOD | MA | |
| 781-726 | PAETEC ITEL, LLC | 829J | NEEDHAM | MA | |
| 781-729 | VERIZON NEW ENGLAND INC. | 9102 | WINCHESTER | MA | |
| 781-730 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | BURLINGTON | MA | |
| 781-731 | RCN TELECOM SERVICES, INC. - MA | 7619 | LYNN | MA | |
| 781-734 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | LEXINGTON | MA | |
| 781-735 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HINGHAM | MA | |
| 781-736 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-739 | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | CANTON | MA | |
| 781-740 | VERIZON NEW ENGLAND INC. | 9102 | HINGHAM | MA | |
| 781-741 | VERIZON NEW ENGLAND INC. | 9102 | HINGHAM | MA | |
| 781-742 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | DEDHAM | MA | |
| 781-743 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BURLINGTON | MA | |
| 781-744 | VERIZON NEW ENGLAND INC. | 9102 | BURLINGTON | MA | |
| 781-746 | PAETEC ITEL, LLC | 829J | CANTON | MA | |
| 781-748 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-749 | VERIZON NEW ENGLAND INC. | 9102 | HINGHAM | MA | |
| 781-750 | RCN TELECOM SERVICES, INC. - MA | 7619 | BURLINGTON | MA | |
| 781-751 | VERIZON NEW ENGLAND INC. | 9102 | DEDHAM | MA | |
| 781-752 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | DEDHAM | MA | |
| 781-753 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | ROCKLAND | MA | |
| 781-754 | TC SYSTEMS, INC. | 7135 | BRYANTVL | MA | |
| 781-756 | VERIZON NEW ENGLAND INC. | 9102 | WINCHESTER | MA | |
| 781-757 | BANDWIDTH.COM CLEC, LLC - MA | 990E | BURLINGTON | MA | |
| 781-758 | BANDWIDTH.COM CLEC, LLC - MA | 990E | READING | MA | |
| 781-759 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-760 | METROPCS, INC. | 5562 | WINCHESTER | MA | |
| 781-761 | PAETEC ITEL, LLC | 829J | LEXINGTON | MA | |
| 781-762 | VERIZON NEW ENGLAND INC. | 9102 | NORWOOD | MA | |
| 781-763 | TC SYSTEMS, INC. | 7135 | ROCKLAND | MA | |
| 781-764 | BANDWIDTH.COM CLEC, LLC - MA | 990E | READING | MA | |
| 781-765 | BANDWIDTH.COM CLEC, LLC - MA | 990E | READING | MA | |
| 781-766 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-767 | VERIZON NEW ENGLAND INC. | 9102 | RANDOLPH | MA | |
| 781-768 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-769 | VERIZON NEW ENGLAND INC. | 9102 | NORWOOD | MA | |
| 781-770 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | CANTON | MA | |
| 781-771 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | LYNN | 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.