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
978-870 PAETEC ITEL, LLC 829J LEOMINSTER MA
978-874 VERIZON NEW ENGLAND INC. 9102 WESTMINSTR MA
978-878 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 FITCHBURG MA
978-879 PAETEC ITEL, LLC 829J GLOUCESTER MA
978-880 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 DANVERS MA
978-881 PAETEC ITEL, LLC 829J ACTON MA
978-882 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 DANVERS MA
978-883 ONVOY, LLC - MA 892D ASHBURNHAM MA
978-884 METROPCS, INC. 5562 LAWRENCE MA
978-887 VERIZON NEW ENGLAND INC. 9102 TOPSFIELD MA
978-889 TC SYSTEMS, INC. 7135 MAYNARD MA
978-897 VERIZON NEW ENGLAND INC. 9102 MAYNARD MA
978-900 VERIZON NEW ENGLAND INC. 9102 XXXXXXXXXX MA
978-901 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BILLERICA MA
978-902 OMNIPOINT MIAMI E LICENSE, LLC 6889 LAWRENCE MA
978-905 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LOWELL MA
978-907 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DANVERS MA
978-908 OMNIPOINT MIAMI E LICENSE, LLC 6889 ACTON MA
978-909 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 WILMINGTON MA
978-911 MULTIPLE OCN LISTING MULT XXXXXXXXXX MA
978-912 OMNIPOINT MIAMI E LICENSE, LLC 6889 HAVERHILL MA
978-913 ONVOY, LLC - MA 892D ASHBY MA
978-915 ONVOY, LLC - MA 892D SALEM MA
978-917 ONVOY, LLC - MA 892D SUDBURY MA
978-918 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LAWRENCE MA
978-919 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GARDNER MA
978-920 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-921 VERIZON NEW ENGLAND INC. 9102 BEVERLY MA
978-922 VERIZON NEW ENGLAND INC. 9102 BEVERLY MA
978-923 ONVOY, LLC - MA 892D WESTFORD MA
978-924 BANDWIDTH.COM CLEC, LLC - MA 990E WILMINGTON MA
978-926 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 TYNGSBORO MA
978-927 VERIZON NEW ENGLAND INC. 9102 BEVERLY MA
978-928 VERIZON NEW ENGLAND INC. 9102 HUBBARDSTN MA
978-929 VERIZON NEW ENGLAND INC. 9102 ACTON MA
978-930 OMNIPOINT MIAMI E LICENSE, LLC 6889 BILLERICA MA
978-931 VERIZON NEW ENGLAND INC. 9102 XXXXXXXXXX MA
978-932 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BILLERICA MA
978-933 TC SYSTEMS, INC. 7135 ANDOVER MA
978-934 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-935 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 LOWELL MA
978-936 VERIZON NEW ENGLAND INC. 9102 ACTON MA
978-937 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-939 VERIZON NEW ENGLAND INC. 9102 TEMPLETON MA
978-940 MA
978-943 OMNIPOINT MIAMI E LICENSE, LLC 6889 LAWRENCE MA
978-945 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HAVERHILL MA
978-946 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-947 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 BILLERICA MA
978-948 VERIZON NEW ENGLAND INC. 9102 ROWLEY 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.