NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

355 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)

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 31
NEW CINGULAR WIRELESS PCS, LLC - IL 28
NEW CINGULAR WIRELESS PCS, LLC - DC 26
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
918-959 OK
918-962 SOUTHWESTERN BELL 9533 SPIRO OK
918-963 LAVACA TEL CO 1704 PANAMA OK
918-966 CROSS TEL. CO. 1985 KEOTA OK
918-967 SOUTHWESTERN BELL 9533 STIGLER OK
918-968 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 1165 STROUD OK
918-969 SOUTHWESTERN BELL 9533 BOKOSHE OK
918-970 COMCAST IP PHONE, LLC 318J BIXBY OK
918-971 SOUTHWESTERN BELL 9533 TULSA OK
918-976 OK
918-977 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 7258 BARTLESVL OK
918-985 SENECA TEL. CO. 1945 TIFF CITY OK
918-988 SOUTHWESTERN BELL 9533 XXXXXXXXXX OK
918-989 CROSS TEL. CO. 1985 KEEFETON OK
918-992 LEVEL 3 COMMUNICATIONS, LLC - OK 5257 TULSA OK
918-996 CRAW-KAN TEL. COOP.,INC. - KS 1818 SOBARTLETT OK
918-999 ONVOY, LLC - OK 409F TULSA OK
919-200 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 SILER CITY NC
919-201 SUNCOM DBA T-MOBILE USA 8645 DURHAM NC
919-202 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 SELMA NC
919-203 NC
919-204 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 XXXXXXXXXX NC
919-206 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 4334 DURHAM NC
919-207 BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC 0470 BENSON NC
919-208 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 RALEIGH NC
919-209 BRIGHTSPEED OF EASTERN NORTH CAROLINA, LLC 0470 SMITHFIELD NC
919-210 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 RALEIGH NC
919-211 MULTIPLE OCN LISTING MULT XXXXXXXXXX NC
919-212 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 RALEIGH NC
919-215 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 RALEIGH NC
919-216 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CHAPELHILL NC
919-217 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 KNIGHTDALE NC
919-218 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 RALEIGH NC
919-219 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 6324 RALEIGH NC
919-220 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 4334 DURHAM NC
919-221 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GOLDSBORO NC
919-222 UNITED STATES CELLULAR - NC 6282 GOLDSBORO NC
919-224 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 4334 DURHAM NC
919-225 SUNCOM DBA T-MOBILE USA 8645 DURHAM NC
919-226 PAETEC ITEL, LLC 829J DURHAM NC
919-227 CENTURYLINK COMMUNICATIONS LLC - NC 4809 RALEIGH NC
919-228 CENTURYLINK COMMUNICATIONS LLC - NC 4809 CARY NC
919-229 CENTURYLINK COMMUNICATIONS LLC - NC 4809 WAKEFOREST NC
919-231 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 RALEIGH NC
919-232 PAETEC ITEL, LLC 829J RALEIGH NC
919-233 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 RALEIGH NC
919-234 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 7835 CARY NC
919-235 PAETEC ITEL, LLC 829J RALEIGH NC
919-236 PAETEC ITEL, LLC 829J DURHAM NC
919-237 PAETEC ITEL, LLC 829J DURHAM NC

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.