NumberResearch Membership · Data 2026-04

Recent prefix assignments

369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
8X8, INC. 38
ONVOY, LLC - CA 37
NEW CINGULAR WIRELESS PCS, LLC - IL 33
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - TX 18
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
978-806 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 ANDOVER MA
978-807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LAWRENCE MA
978-808 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 BILLERICA MA
978-811 MULTIPLE OCN LISTING MULT XXXXXXXXXX MA
978-812 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 TOWNSEND MA
978-814 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-815 OMNIPOINT MIAMI E LICENSE, LLC 6889 LOWELL MA
978-816 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BEVERLY MA
978-817 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PEABODY MA
978-818 PAETEC ITEL, LLC 829J PEABODY MA
978-819 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 W NEWBURY MA
978-820 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 HUBBARDSTN MA
978-821 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BILLERICA MA
978-823 VERIZON NEW ENGLAND INC. 9102 MAYNARD MA
978-824 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 ANDOVER MA
978-825 VERIZON NEW ENGLAND INC. 9102 SALEM MA
978-826 PAETEC ITEL, LLC 829J PEABODY MA
978-827 VERIZON NEW ENGLAND INC. 9102 ASHBURNHAM MA
978-828 METROPCS, INC. 5562 LAWRENCE MA
978-829 PAETEC ITEL, LLC 829J FITCHBURG MA
978-832 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SALEM MA
978-834 VERIZON NEW ENGLAND INC. 9102 AMESBURY MA
978-835 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LAWRENCE MA
978-837 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-838 VERIZON NEW ENGLAND INC. 9102 BERLIN MA
978-839 PAETEC ITEL, LLC 829J PEABODY MA
978-840 VERIZON NEW ENGLAND INC. 9102 LEOMINSTER MA
978-841 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 MAYNARD MA
978-842 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GROTON MA
978-843 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 STERLING MA
978-845 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 NO READING MA
978-847 PAETEC ITEL, LLC 829J LEOMINSTER MA
978-848 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LOWELL MA
978-849 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 ACTON MA
978-850 LEAP TELECOM, LLC 616J WESTFORD MA
978-851 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-852 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LAWRENCE MA
978-853 METROPCS, INC. 5562 LAWRENCE MA
978-854 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PEABODY MA
978-856 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LOWELL MA
978-857 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LAWRENCE MA
978-858 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-859 BANDWIDTH.COM CLEC, LLC - MA 990E CONCORD MA
978-861 ONVOY, LLC - MA 892D TOPSFIELD MA
978-862 PAETEC ITEL, LLC 829J AYER MA
978-863 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-864 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 W NEWBURY MA
978-865 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GLOUCESTER MA
978-867 PAETEC ITEL, LLC 829J BEVERLY MA
978-869 METROPCS, INC. 5562 LAWRENCE 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.