NumberResearch Membership · Data 2026-04

Recent prefix assignments

352 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
NEW CINGULAR WIRELESS PCS, LLC - IL 31
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - CA 28
ONVOY, LLC - NJ 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
212-833 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-834 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-835 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-836 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-837 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-838 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-839 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-840 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-841 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-842 RCN TELECOM SERVICES, INC. - NY 7353 NWYRCYZN01 NY
212-843 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 NWYRCYZN01 NY
212-844 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-845 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-846 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-847 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 NWYRCYZN01 NY
212-848 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-849 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-850 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-851 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-852 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-853 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-854 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-855 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-856 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-857 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-858 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-859 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-860 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-861 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-862 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-863 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-864 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-865 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-866 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-867 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-868 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-869 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-870 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-871 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
212-872 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-873 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-874 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-875 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-876 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-877 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-878 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-879 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-880 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-881 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-882 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY

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.