Recent prefix assignments

1 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, last 30 days — NPA 660

LEVEL 3 COMMUNICATIONS, LLC - MO 1

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

Recent NPA-NXX prefix assignments
Assigned	NPA-NXX	Thousands-blocks taken (last-4 opening)	Code holder	OCN	Rate center	State
2026-08-27	660-302	7XXX which blocks →	LEVEL 3 COMMUNICATIONS, LLC - MO	4932	GRAHAM	MO
2026-07-22	660-296	0XXX which blocks →	ONVOY, LLC - MO	093F	CLINTON	MO
2026-05-06	660-294	7XXX which blocks →	LEVEL 3 COMMUNICATIONS, LLC - MO	4932	BEVIER	MO
2025-12-17	660-331	0XXX7XXX8XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	CLINTON	MO
2025-08-29	660-340	6XXX7XXX8XXX9XXX which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	MARSHALL	MO
2025-04-22	660-257	0–9 XXXwhole prefix which blocks →	EON TELECOM, INC.	839J	KIRKSVILLE	MO
2025-04-22	660-271	0–9 XXXwhole prefix which blocks →	EON TELECOM, INC.	839J	BETHANY	MO
2024-12-13	660-245	0XXX1XXX2XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	KIRKSVILLE	MO
2024-12-03	660-203	1XXX2XXX · 2 holders which blocks →	GREEN HILLS TELECOMMUNICATIONS SERVICES	6155	ALMA	MO
2024-04-02	660-201	0XXX1XXX · 2 holders which blocks →	TWC IP ENABLED SERVICES, LLC	793K	POLO	MO
2023-04-11	660-971	0XXX1XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO	5814	SEDALIA	MO
2022-10-18	660-660	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - MO	093F	SEDALIA	MO
2022-02-22	660-588	5XXX8XXX · 2 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	KNOXVILLE	MO
2022-01-10	660-270	0–9 XXXall 10 · 2 holders which blocks →	AERIAL COMMUNICATIONS, INC.	6701	CLINTON	MO
2021-12-23	660-556	0XXX1XXX2XXX6XXX9XXX · 4 holders which blocks →	AERIAL COMMUNICATIONS, INC.	6701	WARSAW	MO
2021-12-10	660-360	0XXX3XXX6XXX · 2 holders which blocks →	ONVOY, LLC - MO	093F	SO SEYMOUR	MO
2021-12-10	660-688	0XXX1XXX6XXX8XXX · 3 holders which blocks →	ONVOY, LLC - MO	093F	ATHENS	MO
2021-12-08	660-387	9XXX which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	WESTVILLE	MO
2021-10-19	660-280	0–9 XXXall 10 · 5 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO	5814	KIRKSVILLE	MO
2021-10-14	660-308	0XXX1XXX3XXX · 3 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO	5814	KIMBERLY	MO
2021-09-28	660-317	0XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	METROPCS, INC.	5562	SEDALIA	MO
2021-09-13	660-961	0XXX1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 3 holders which blocks →	BANDWIDTH.COM CLEC, LLC - MO	993E	COAL	MO
2021-09-08	660-330	0XXX1XXX6XXX7XXX8XXX9XXX · 2 holders which blocks →	SKYE TELECOM LLC DBA SKYETEL	622J	WARRENSBG	MO
2021-09-01	660-539	0–9 XXXall 10 · 3 holders which blocks →	AERIAL COMMUNICATIONS, INC.	6701	CLINTON	MO
2021-06-09	660-276	0XXX1XXX6XXX7XXX8XXX9XXX · 6 holders which blocks →	AERIAL COMMUNICATIONS, INC.	6701	MOBERLY	MO
2021-05-05	660-306	3XXX6XXX9XXX · 3 holders which blocks →	METROPCS, INC.	5562	MEADVILLE	MO
2021-04-26	660-260	0XXX2XXX6XXX which blocks →	ONVOY, LLC - MO	093F	SOBRADDYVL	MO
2021-04-18	660-404	0XXX9XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	LEONARD	MO
2021-03-04	660-680	0–9 XXXall 10 · 4 holders which blocks →	ONVOY, LLC - MO	093F	SEDALIA	MO
2021-02-01	660-910	0XXX1XXX4XXX9XXX · 4 holders which blocks →	ONVOY, LLC - MO	093F	APPLETONCY	MO
2020-12-10	660-662	0XXX2XXX6XXX7XXX · 3 holders which blocks →	ONVOY, LLC - MO	093F	HIGBEE	MO
2020-12-10	660-898	0–9 XXXall 10 · 4 holders which blocks →	AERIAL COMMUNICATIONS, INC.	6701	CLINTON	MO
2020-10-12	660-667	0XXX2XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	ONVOY, LLC - MO	093F	LEXINGTON	MO
2020-10-09	660-720	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 3 holders which blocks →	ONVOY, LLC - MO	093F	WAVERLY	MO
2020-09-11	660-724	6XXX7XXX · 2 holders which blocks →	FRACTEL, LLC	965H	UNIONVILLE	MO
2020-09-11	660-732	0XXX5XXX · 2 holders which blocks →	FRACTEL, LLC	965H	WYACONDA	MO
2020-09-11	660-758	6XXX which blocks →	FRACTEL, LLC	965H	MT MORIAH	MO
2020-09-11	660-842	5XXX which blocks →	FRACTEL, LLC	965H	POWERSVL	MO
2020-09-10	660-599	5XXX9XXX · 2 holders which blocks →	FRACTEL, LLC	965H	LAREDO	MO
2020-09-02	660-500	0XXX1XXX5XXX · 3 holders which blocks →	FRACTEL, LLC	965H	ETHEL	MO
2020-09-02	660-566	5XXX6XXX · 2 holders which blocks →	FRACTEL, LLC	965H	CLEARMONT	MO
2020-09-01	660-400	0XXX4XXX · 2 holders which blocks →	FRACTEL, LLC	965H	HALE	MO
2020-09-01	660-633	3XXX6XXX · 2 holders which blocks →	FRACTEL, LLC	965H	BRIMSON	MO
2020-09-01	660-855	0XXX1XXX2XXX5XXX8XXX9XXX · 6 holders which blocks →	FRACTEL, LLC	965H	BLOMINGTON	MO
2020-04-24	660-310	0–9 XXXall 10 · 7 holders which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC - MO	7218	SEDALIA	MO
2019-12-05	660-356	1XXX2XXX3XXX4XXX7XXX9XXX · 5 holders which blocks →	FRACTEL, LLC	965H	HIGGINSVL	MO
2019-08-01	660-300	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks →	FRACTEL, LLC	965H	GRANT CITY	MO
2019-08-01	660-444	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 6 holders which blocks →	FRACTEL, LLC	965H	GLASGOW	MO
2019-08-01	660-800	0XXX1XXX5XXX8XXX · 3 holders which blocks →	FRACTEL, LLC	965H	CHILLICOTH	MO
2019-08-01	660-900	0XXX1XXX2XXX3XXX4XXX5XXX7XXX9XXX · 4 holders which blocks →	FRACTEL, LLC	965H	WARSAW	MO

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.