NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

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. 37
ONVOY, LLC - CA 35
NEW CINGULAR WIRELESS PCS, LLC - IL 33
NEW CINGULAR WIRELESS PCS, LLC - DC 27
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
978-965 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 LAWRENCE MA
978-967 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-968 PAETEC ITEL, LLC 829J PEABODY MA
978-969 COMCAST IP PHONE, LLC 318J BEVERLY MA
978-970 VERIZON NEW ENGLAND INC. 9102 LOWELL MA
978-973 NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LAWRENCE MA
978-974 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-975 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-976 MA
978-977 VERIZON NEW ENGLAND INC. 9102 PEABODY MA
978-980 MA
978-981 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SALEM MA
978-982 HD CARRIER LLC 321J PEABODY MA
978-983 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 LAWRENCE MA
978-984 COMCAST IP PHONE, LLC 318J LAWRENCE MA
978-985 METROPCS, INC. 5562 LAWRENCE MA
978-986 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 TOPSFIELD MA
978-987 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 BILLERICA MA
978-988 VERIZON NEW ENGLAND INC. 9102 WILMINGTON MA
978-989 VERIZON NEW ENGLAND INC. 9102 LAWRENCE MA
978-991 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 GARDNER MA
978-992 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 NEWBURYPT MA
978-993 LEVEL 3 COMMUNICATIONS, LLC - MA 4018 BEVERLY MA
978-995 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 6387 LOWELL MA
978-996 OMNIPOINT MIAMI E LICENSE, LLC 6889 LOWELL MA
978-997 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NEWBURYPT MA
978-998 PAETEC ITEL, LLC 829J BEVERLY MA
979-201 AERIAL COMMUNICATIONS, INC. 6701 FREEPORT TX
979-202 AERIAL COMMUNICATIONS, INC. 6701 FREEPORT TX
979-209 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4344 BRYAN TX
979-211 MULTIPLE OCN LISTING MULT XXXXXXXXXX TX
979-214 TX
979-215 AERIAL COMMUNICATIONS, INC. 6701 ANGLETON TX
979-216 LEVEL 3 COMMUNICATIONS, LLC - TX 6114 BAY CITY TX
979-217 LEVEL 3 COMMUNICATIONS, LLC - TX 6114 WALLIS TX
979-218 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 BRYAN TX
979-219 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 BRYAN TX
979-220 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 BRYAN TX
979-221 LEVEL 3 COMMUNICATIONS, LLC - TX 6114 HEMPSTEAD TX
979-222 TEXAS COMMUNICATIONS, INC. 6820 BRYAN TX
979-223 SPOK, INC. 6630 BRYAN TX
979-224 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRYAN TX
979-226 SPOK, INC. 6630 BRYAN TX
979-227 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 7670 BELLVILLE TX
979-228 SPOK, INC. 6630 BRYAN TX
979-229 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRYAN TX
979-230 SOUTHWESTERN BELL 9533 FREEPORT TX
979-233 SOUTHWESTERN BELL 9533 FREEPORT TX
979-234 SOUTHWESTERN BELL 9533 EAGLE LAKE TX
979-235 SOUTHWESTERN BELL 9533 FREEPORT TX

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.