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 |
|---|---|---|---|---|---|
| 781-836 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | HINGHAM | MA | |
| 781-837 | VERIZON NEW ENGLAND INC. | 9102 | MARSHFIELD | MA | |
| 781-838 | PAETEC ITEL, LLC | 829J | WINCHESTER | MA | |
| 781-839 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-840 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | STOUGHTON | MA | |
| 781-841 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-842 | COMCAST IP PHONE, LLC | 318J | LYNN | MA | |
| 781-843 | VERIZON NEW ENGLAND INC. | 9102 | BRAINTREE | MA | |
| 781-844 | METROPCS, INC. | 5562 | ARLINGTON | MA | |
| 781-845 | BANDWIDTH.COM CLEC, LLC - MA | 990E | LEXINGTON | MA | |
| 781-846 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KINGSTON | MA | |
| 781-847 | TC SYSTEMS, INC. | 7135 | STOUGHTON | MA | |
| 781-848 | VERIZON NEW ENGLAND INC. | 9102 | BRAINTREE | MA | |
| 781-849 | VERIZON NEW ENGLAND INC. | 9102 | BRAINTREE | MA | |
| 781-850 | PAETEC ITEL, LLC | 829J | STONEHAM | MA | |
| 781-851 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | MALDEN | MA | |
| 781-852 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BURLINGTON | MA | |
| 781-853 | VERIZON NEW ENGLAND INC. | 9102 | REVERE | MA | |
| 781-854 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | SAUGUS | MA | |
| 781-857 | VERIZON NEW ENGLAND INC. | 9102 | ROCKLAND | MA | |
| 781-858 | METROPCS, INC. | 5562 | REVERE | MA | |
| 781-860 | VERIZON NEW ENGLAND INC. | 9102 | LEXINGTON | MA | |
| 781-861 | VERIZON NEW ENGLAND INC. | 9102 | LEXINGTON | MA | |
| 781-862 | VERIZON NEW ENGLAND INC. | 9102 | LEXINGTON | MA | |
| 781-863 | VERIZON NEW ENGLAND INC. | 9102 | LEXINGTON | MA | |
| 781-864 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WALTHAM | MA | |
| 781-865 | VERIZON NEW ENGLAND INC. | 9102 | WOBURN | MA | |
| 781-867 | RCN TELECOM SERVICES, INC. - MA | 7619 | SHARON | MA | |
| 781-869 | TC SYSTEMS, INC. | 7135 | LEXINGTON | MA | |
| 781-870 | TC SYSTEMS, INC. | 7135 | MALDEN | MA | |
| 781-871 | VERIZON NEW ENGLAND INC. | 9102 | ROCKLAND | MA | |
| 781-872 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | READING | MA | |
| 781-873 | PAETEC ITEL, LLC | 829J | MALDEN | MA | |
| 781-874 | COMCAST IP PHONE, LLC | 318J | MEDFORD | MA | |
| 781-875 | COMCAST IP PHONE, LLC | 318J | HINGHAM | MA | |
| 781-876 | VERIZON NEW ENGLAND INC. | 9102 | WAKEFIELD | MA | |
| 781-878 | VERIZON NEW ENGLAND INC. | 9102 | ROCKLAND | MA | |
| 781-880 | MA | ||||
| 781-881 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | NORWOOD | MA | |
| 781-883 | METROPCS, INC. | 5562 | WOBURN | MA | |
| 781-884 | PAETEC ITEL, LLC | 829J | BRAINTREE | MA | |
| 781-885 | COMCAST IP PHONE, LLC | 318J | RANDOLPH | MA | |
| 781-888 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | RANDOLPH | MA | |
| 781-890 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-891 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-892 | VERIZON NEW ENGLAND INC. | 9102 | BURLINGTON | MA | |
| 781-893 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-894 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-895 | VERIZON NEW ENGLAND INC. | 9102 | WALTHAM | MA | |
| 781-896 | BANDWIDTH.COM CLEC, LLC - MA | 990E | BURLINGTON | 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.