NumberResearch Membership · Data 2026-04

Recent prefix assignments

380 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
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
2001-05-08 870-594 LEVEL 3 COMMUNICATIONS, LLC - AR 5179 FORREST CY AR
2001-05-08 870-614 E. RITTER COMMUNICATIONS, LLC 128L LUXORA AR
2001-05-08 870-637 E. RITTER COMMUNICATIONS, LLC 128L WALNUT RDG AR
2001-05-08 903-215 T-MOBILE USA, INC. 6529 LONGVIEW TX
2001-05-08 910-447 LEVEL 3 COMMUNICATIONS, LLC - NC 3235 ROSE HILL NC
2001-05-08 910-629 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 7835 MAYSVILLE NC
2001-05-08 978-391 PAETEC ITEL, LLC 829J AYER MA
2001-05-08 978-520 PAETEC ITEL, LLC 829J WILMINGTON MA
2001-05-08 978-584 PAETEC ITEL, LLC 829J BILLERICA MA
2001-05-08 978-586 PAETEC ITEL, LLC 829J BOLTON MA
2001-05-08 978-598 PAETEC ITEL, LLC 829J CLINTON MA
2001-05-08 978-668 PAETEC ITEL, LLC 829J WESTMINSTR MA
2001-05-08 978-672 PAETEC ITEL, LLC 829J PRINCETON MA
2001-05-08 978-678 PAETEC ITEL, LLC 829J STERLING MA
2001-05-08 978-696 PAETEC ITEL, LLC 829J FITCHBURG MA
2001-05-08 978-727 PAETEC ITEL, LLC 829J WESTFORD MA
2001-05-08 978-888 PAETEC ITEL, LLC 829J LOWELL MA
2001-05-08 985-264 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MANDEVILLE LA
2001-05-08 985-285 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SLIDELL LA
2001-05-08 985-290 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SLIDELL LA
2001-05-08 985-630 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MANDEVILLE LA
2001-05-08 985-640 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SLIDELL LA
2001-05-07 204-998 TELUS Mobility 8303 Winnipeg —
2001-05-07 204-999 TELUS Mobility 8303 Winnipeg —
2001-05-07 318-349 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 SHREVEPORT LA
2001-05-07 361-226 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 4344 ARANSSPASS TX
2001-05-07 403-741 TELUS 8084 Stettler —
2001-05-07 605-306 CLARITY TELECOM, LLC DBA BLUEPEAK 7024 SIOUX FLS SD
2001-05-07 636-253 T-MOBILE USA, INC. 6529 HIGH RIDGE MO
2001-05-07 636-259 T-MOBILE USA, INC. 6529 GRAYSUMMIT MO
2001-05-07 636-633 T-MOBILE USA, INC. 6529 IMPERIAL MO
2001-05-07 662-452 CENTURYLINK COMMUNICATIONS, LLC 508J INDIANOLA MS
2001-05-07 678-361 METROPCS, INC. 5562 ATLANTA NE GA
2001-05-07 678-520 METROPCS, INC. 5562 ATLANTA NE GA
2001-05-07 678-521 METROPCS, INC. 5562 ATLANTA NE GA
2001-05-07 678-522 METROPCS, INC. 5562 ATLANTA NE GA
2001-05-07 678-523 METROPCS, INC. 5562 ATLANTA NE GA
2001-05-07 678-524 METROPCS, INC. 5562 ATLANTA NE GA
2001-05-07 786-232 LEVEL 3 COMMUNICATIONS, LLC - FL 4802 PERRINE FL
2001-05-07 812-310 FRONTIER NORTH, INC. - IN 0779 FARMERSBG IN
2001-05-07 812-313 FRONTIER NORTH, INC. - IN 0779 HANOVER IN
2001-05-07 812-404 METROPCS, INC. 5562 SALEM IN
2001-05-07 812-407 ONVOY, LLC - IN 097D PETERSBURG IN
2001-05-07 812-408 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 REDDINGTON IN
2001-05-07 812-409 ONVOY, LLC - IN 097D FREELANDVL IN
2001-05-07 812-412 ONVOY, LLC - IN 097D FAIRBANKS IN
2001-05-07 812-413 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 AUSTIN IN
2001-05-07 812-415 ONVOY, LLC - IN 097D WHEATLAND IN
2001-05-07 812-420 LEVEL 3 COMMUNICATIONS, LLC - IN 4803 BRAZIL IN
2001-05-07 812-501 FRONTIER NORTH, INC. - IN 0779 GEORGETOWN IN

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.