Recent prefix assignments

227 prefixes assigned in September 2026 · 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, September 2026

8X8, INC. 37

NEW CINGULAR WIRELESS PCS, LLC - IL 21

NEW CINGULAR WIRELESS PCS, LLC - DC 16

ONVOY, LLC - CA 13

U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 11

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 Clear

Recent NPA-NXX prefix assignments
Assigned	NPA-NXX	Assignee	OCN	Rate center	State
2026-09-14	478-426	ONVOY, LLC - GA	067D	FORSYTH	GA
2026-09-14	478-427	ONVOY, LLC - GA	067D	FORTVALLEY	GA
2026-09-14	480-928	TELEPORT COMMUNICATIONS AMERICA, LLC - AZ	7217	PHOENIX	AZ
2026-09-14	502-740	ONVOY, LLC - KY	896E	LA GRANGE	KY
2026-09-14	539-303	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	MUSKOGEE	OK
2026-09-14	559-979	HD CARRIER LLC	321J	VISALIA	CA
2026-09-14	602-990	BARR TELL USA, INC.	124L	PHOENIX	AZ
2026-09-14	612-881	8X8, INC.	193E	TWINCITIES	MN
2026-09-14	747-393	ONVOY, LLC - CA	649C	PSDN LACN	CA
2026-09-14	762-473	ONVOY, LLC - GA	067D	THOMASTON	GA
2026-09-14	765-877	ONVOY, LLC - IN	097D	MARTINSVL	IN
2026-09-14	835-300	ONVOY, LLC - PA	547E	SLATINGTON	PA
2026-09-14	856-715	ONVOY, LLC - NJ	637C	PENNSGROVE	NJ
2026-09-14	856-734	ONVOY, LLC - NJ	637C	BEAVER BRK	NJ
2026-09-14	858-469	ONVOY, LLC - CA	649C	HARBSNALPN	CA
2026-09-14	925-601	ONVOY, LLC - CA	649C	PSBG WEST	CA
2026-09-14	938-331	ONVOY, LLC - AL	604E	ALEXANDRCY	AL
2026-09-14	951-835	ONVOY, LLC - CA	649C	LAKEVIEWNU	CA
2026-09-11	307-493	UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS	1772	URIE	WY
2026-09-11	307-499	UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS	1772	LYMAN	WY
2026-09-11	346-947	PAETEC ITEL, LLC	829J	ARCOLA	TX
2026-09-11	430-401	PAETEC ITEL, LLC	829J	GREENVILLE	TX
2026-09-11	474-400	Iristel Inc.	154E	Punnichy	—
2026-09-11	672-370	Iristel Inc.	154E	Kitimat	—
2026-09-11	719-880	8X8, INC.	193E	COLORDOSPG	CO
2026-09-11	727-676	TELIMIZE, LLC	053L	STPETERSBG	FL
2026-09-11	803-890	HD CARRIER LLC	321J	ORANGEBURG	SC
2026-09-11	861-222	OPENTACT INC.	824J	PEORIA	IL
2026-09-11	906-873	OPENTACT INC.	824J	MARQUETTE	MI
2026-09-11	983-880	8X8, INC.	193E	DENVER	CO
2026-09-10	229-880	8X8, INC.	193E	ALBANY	GA
2026-09-10	324-880	8X8, INC.	193E	JACKSONVL	FL
2026-09-10	352-889	8X8, INC.	193E	GAINESVL	FL
2026-09-10	386-881	8X8, INC.	193E	DAYTONABCH	FL
2026-09-10	435-370	UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS	1772	DUTCH JOHN	UT
2026-09-10	435-371	UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS	1772	MANILA	UT
2026-09-10	448-880	8X8, INC.	193E	PENSACOLA	FL
2026-09-10	448-890	8X8, INC.	193E	PANAMACITY	FL
2026-09-10	478-880	8X8, INC.	193E	MACON	GA
2026-09-10	507-898	8X8, INC.	193E	ROCHESTER	MN
2026-09-10	531-438	MIDSTATES DATA TRANSPORT, LLC - NE	960H	ELGIN	NE
2026-09-10	571-825	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	LEESBURG	VA
2026-09-10	582-299	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BOALSBURG	PA
2026-09-10	606-885	NEW CINGULAR WIRELESS PCS, LLC - GA	6214	PIKEVILLE	KY
2026-09-10	606-893	NEW CINGULAR WIRELESS PCS, LLC - GA	6214	PIKEVILLE	KY
2026-09-10	629-347	TELEPORT COMMUNICATIONS AMERICA, LLC - TN	114F	NASHVILLE	TN
2026-09-10	636-302	ONVOY, LLC - MO	093F	CHESTERFLD	MO
2026-09-10	640-308	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	PLEASANTVL	NJ
2026-09-10	645-880	8X8, INC.	193E	MIAMI	FL
2026-09-10	659-318	ONVOY, LLC - AL	604E	WARRIOR	AL

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.