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
978-667 VERIZON NEW ENGLAND INC. 9102 BILLERICA MA
978-669 PAETEC ITEL, LLC 829J GARDNER MA
978-670 VERIZON NEW ENGLAND INC. 9102 BILLERICA MA
978-671 VERIZON NEW ENGLAND INC. 9102 BILLERICA MA
978-674 BANDWIDTH.COM CLEC, LLC - MA 990E LOWELL MA
978-675 VERIZON NEW ENGLAND INC. 9102 GLOUCESTER MA
978-677 TC SYSTEMS, INC. 7135 LOWELL MA
978-679 PAETEC ITEL, LLC 829J LITTLETON MA
978-680 BANDWIDTH.COM CLEC, LLC - MA 990E CONCORD MA
978-681 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-682 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-683 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-684 VERIZON NEW ENGLAND INC. 9102 ANDOVER MA
978-685 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-686 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-687 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-688 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-689 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-691 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-692 VERIZON NEW ENGLAND INC. 9102 WESTFORD MA
978-693 PAETEC ITEL, LLC 829J W NEWBURY MA
978-694 VERIZON NEW ENGLAND INC. 9102 WILMINGTON MA
978-695 NORFOLK COUNTY INTERNET, INC. 6083 CONCORD MA
978-697 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LAWRENCE MA
978-698 TC SYSTEMS, INC. 7135 LITTLETON MA
978-699 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 ANDOVER MA
978-700 MA
978-703 PAETEC ITEL, LLC 829J LOWELL MA
978-704 ONVOY, LLC - MA 892D MANCHESTER MA
978-705 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 DANVERS MA
978-706 BANDWIDTH.COM CLEC, LLC - MA 990E CLINTON MA
978-711 MULTIPLE OCN LISTING MULT XXXXXXXXXX MA
978-712 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 BEVERLY MA
978-713 NORFOLK COUNTY INTERNET, INC. 6083 IPSWICH MA
978-714 NORFOLK COUNTY INTERNET, INC. 6083 FITCHBURG MA
978-716 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DANVERS MA
978-717 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 PEABODY MA
978-719 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 ANDOVER MA
978-720 TC SYSTEMS, INC. 7135 BEVERLY MA
978-721 PAETEC ITEL, LLC 829J ATHOL MA
978-722 PAETEC ITEL, LLC 829J LAWRENCE MA
978-723 AT&T - LOCAL 7421 MAYNARD MA
978-724 VERIZON NEW ENGLAND INC. 9102 PETERSHAM MA
978-725 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-728 PAETEC ITEL, LLC 829J LEOMINSTER MA
978-729 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BILLERICA MA
978-730 TC SYSTEMS, INC. 7135 GARDNER MA
978-731 VERIZON NEW ENGLAND INC. 9102 WESTMINSTR MA
978-732 TC SYSTEMS, INC. 7135 GROTON MA
978-733 COMCAST IP PHONE, LLC 318J CLINTON 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.