NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

369 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. 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
308-836 GREAT PLAINS COMMUNICATIONS, INC. 1577 CALLAWAY NE
308-848 GREAT PLAINS COMMUNICATIONS, INC. 1577 ARNOLD NE
308-850 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 GRAND IS NE
308-856 QWEST CORPORATION 9631 ELM CREEK NE
308-858 GREAT PLAINS COMMUNICATIONS, INC. 1577 OCONTO NE
308-859 RURAL TEL. SERVICE CO., INC. DBA NEX-TECH 1826 NO LONG IS NE
308-862 GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM 1659 WHITECLAY NE
308-863 NEBRASKA CENTRAL TEL. CO. 1574 ELBA NE
308-865 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 KEARNEY NE
308-868 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 STAMFORD NE
308-870 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 BROKEN BOW NE
308-872 QWEST CORPORATION 9631 BROKEN BOW NE
308-874 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 CHAPPELL NE
308-876 ARAPAHOE TEL. CO. 1516 LOOMIS NE
308-879 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 4530 POTTER NE
308-880 UNITED STATES CELLULAR - NE 6263 BROKEN BOW NE
308-882 GREAT PLAINS COMMUNICATIONS, INC. 1577 IMPERIAL NE
308-884 DALTON TEL. CO. 1537 GURLEY NE
308-889 QWEST CORPORATION 9631 BIGSPRINGS NE
308-893 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
308-894 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 PALMER NE
308-895 HARTMAN TEL. EXCH., INC. 1557 DANBURY NE
308-911 MULTIPLE OCN LISTING MULT XXXXXXXXXX NE
308-920 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 ALMA NE
308-927 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 EDISON NE
308-928 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 ALMA NE
308-930 UNITED STATES CELLULAR - NE 6263 GRAND IS NE
308-935 NEBRASKA CENTRAL TEL. CO. 1574 ANSLEY NE
308-938 CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 HILDRETH NE
308-940 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 CENTRAL CY NE
308-942 NEBRASKA CENTRAL TEL. CO. 1574 TAYLOR NE
308-946 QWEST CORPORATION 9631 CENTRAL CY NE
308-947 N.E. COLORADO CELLULAR, INC. 6874 CENTRAL CY NE
308-950 NE
308-958 NE
308-959 NE
308-962 ARAPAHOE TEL. CO. 1516 ARAPAHOE NE
308-963 CONSOLIDATED TELCO, INC. 1530 WELLFLEET NE
308-968 GREAT PLAINS COMMUNICATIONS, INC. 1577 COTESFIELD NE
308-970 NE
308-976 NE
308-986 GREAT PLAINS COMMUNICATIONS, INC. 1577 CHAPMAN NE
308-987 ARAPAHOE TEL. CO. 1516 OVERTON NE
308-988 NE
308-991 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 5807 HOLDREGE NE
308-995 QWEST CORPORATION 9631 HOLDREGE NE
308-996 NEBRASKA CENTRAL TEL. CO. 1574 BOELUS NE
308-999 UNITED STATES CELLULAR - NE 6263 HOLDREGE NE
309-208 T-MOBILE USA, INC. 6529 PEORIA IL
309-210 LEVEL 3 COMMUNICATIONS, LLC - IL 6115 PEORIA IL

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.