NumberResearch Membership · Data 2026-04

Recent prefix assignments

380 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
978-227 TC SYSTEMS, INC. 7135 LEOMINSTER MA
978-229 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 WILMINGTON MA
978-230 METROPCS, INC. 5562 LEOMINSTER MA
978-231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 GLOUCESTER MA
978-232 VERIZON NEW ENGLAND INC. 9102 BEVERLY MA
978-233 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 HAMILTON MA
978-234 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GEORGETOWN MA
978-235 OMNIPOINT MIAMI E LICENSE, LLC 6889 LEOMINSTER MA
978-236 VERIZON NEW ENGLAND INC. 9102 BEVERLY MA
978-237 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 LAWRENCE MA
978-238 OMNIPOINT MIAMI E LICENSE, LLC 6889 IPSWICH MA
978-239 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PEABODY MA
978-240 NORFOLK COUNTY INTERNET, INC. 6083 HUDSON MA
978-241 TC SYSTEMS, INC. 7135 HAVERHILL MA
978-242 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-244 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-245 BANDWIDTH.COM CLEC, LLC - MA 990E CONCORD MA
978-246 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MAYNARD MA
978-247 VERIZON NEW ENGLAND INC. 9102 ANDOVER MA
978-248 VERIZON NEW ENGLAND INC. 9102 ATHOL MA
978-249 VERIZON NEW ENGLAND INC. 9102 ATHOL MA
978-250 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-251 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-252 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 ASHBURNHAM MA
978-254 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 CONCORD MA
978-255 COMCAST IP PHONE, LLC 318J NEWBURYPT MA
978-256 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-258 COMCAST IP PHONE, LLC 318J LAWRENCE MA
978-259 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LOWELL MA
978-260 VERIZON NEW ENGLAND INC. 9102 XXXXXXXXXX MA
978-261 BANDWIDTH.COM CLEC, LLC - MA 990E SUDBURY MA
978-262 VERIZON NEW ENGLAND INC. 9102 BILLERICA MA
978-263 VERIZON NEW ENGLAND INC. 9102 ACTON MA
978-264 VERIZON NEW ENGLAND INC. 9102 ACTON MA
978-265 OMNIPOINT MIAMI E LICENSE, LLC 6889 LOWELL MA
978-266 VERIZON NEW ENGLAND INC. 9102 ACTON MA
978-267 BANDWIDTH.COM CLEC, LLC - MA 990E WILMINGTON MA
978-268 PAETEC ITEL, LLC 829J ACTON MA
978-269 PAETEC ITEL, LLC 829J ANDOVER MA
978-272 BANDWIDTH.COM CLEC, LLC - MA 990E GROTON MA
978-274 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 ACTON MA
978-275 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-276 VERIZON NEW ENGLAND INC. 9102 NO READING MA
978-277 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 TEMPLETON MA
978-278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PEABODY MA
978-279 PAETEC ITEL, LLC 829J BEVERLY MA
978-280 VERIZON NEW ENGLAND INC. 9102 CONCORD MA
978-281 VERIZON NEW ENGLAND INC. 9102 GLOUCESTER MA
978-282 VERIZON NEW ENGLAND INC. 9102 GLOUCESTER MA
978-283 VERIZON NEW ENGLAND INC. 9102 GLOUCESTER 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.