NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

7 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

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 848
ONVOY, LLC - NJ 5
NEW CINGULAR WIRELESS PCS, LLC - DC 2
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-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
2020-05-29 848-294 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - NJ 637C KEYPORT NJ
2020-05-29 848-305 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - NJ 637C BOUNDBROOK NJ
2020-05-29 848-847 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - NJ 637C KEANSBURG NJ
2020-05-29 848-850 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - NJ 637C EMILLSTONE NJ
2020-05-29 848-895 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - NJ 637C MANASQUAN NJ
2020-05-15 848-301 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - NJ 637C HOLMDEL NJ
2020-05-15 848-849 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - NJ 637C FARMINGDL NJ
2020-05-07 848-288 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - NJ 637C BELMAR NJ
2020-02-25 848-287 0–9 XXXall 10 · 5 holders which blocks → METROPCS, INC. 5562 TOMS RIVER NJ
2020-02-18 848-286 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PERTHAMBOY NJ
2019-12-18 848-285 0–9 XXXall 10 · 4 holders which blocks → CSC VOICE, LLC 612K LAKEWOOD NJ
2019-11-18 848-284 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PERTHAMBOY NJ
2019-11-04 848-283 0–9 XXXall 10 · 3 holders which blocks → METROPCS, INC. 5562 WOODBRIDGE NJ
2019-10-22 848-282 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BELMAR NJ
2019-09-25 848-281 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → AIRUS, INC. - NJ 066G CARTERET NJ
2019-09-16 848-280 0–9 XXXall 10 · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2019-08-12 848-278 0–9 XXXall 10 · 4 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NJ 6623 MONMTH JCT NJ
2019-08-02 848-276 0–9 XXXall 10 · 6 holders which blocks → CABLEVISION LIGHTPATH, INC. - NJ 4948 PTPLEASANT NJ
2019-07-19 848-400 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - NJ 637C ENGLISHTN NJ
2019-07-19 848-420 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - NJ 637C SPRINGLAKE NJ
2019-07-19 848-500 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - NJ 637C DUNELLEN NJ
2019-07-19 848-600 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - NJ 637C MATAWAN NJ
2019-07-16 848-275 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 6391 LONGBRANCH NJ
2019-06-20 848-274 0–9 XXXall 10 · 4 holders which blocks → BANDWIDTH.COM CLEC, LLC - NJ 118F FRANKLINPK NJ
2019-05-24 848-837 0–9 XXXall 10 · 4 holders which blocks → CORETEL NEW JERSEY, INC. - NJ 482F MIDDLETOWN NJ
2019-05-21 848-272 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - NJ 118F ATLATCHLDS NJ
2019-02-20 848-900 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → TERRA NOVA TELECOM INC. 145J ASBURYPARK NJ
2019-01-07 848-800 0–9 XXXall 10 · 4 holders which blocks → CORETEL NEW JERSEY, INC. - NJ 482F NEWBRNSWCK NJ
2019-01-04 848-382 0–9 XXXall 10 · 2 holders which blocks → CORETEL NEW JERSEY, INC. - NJ 482F DUNELLEN NJ
2019-01-03 848-678 0–9 XXXall 10 · 3 holders which blocks → CORETEL NEW JERSEY, INC. - NJ 482F PERTHAMBOY NJ
2018-12-31 848-273 0–9 XXXall 10 · 5 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 6391 MIDDLETOWN NJ
2018-11-28 848-271 0–9 XXXall 10 · 2 holders which blocks → VONAGE AMERICA LLC 197D METUCHEN NJ
2018-07-31 848-268 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2018-05-29 848-270 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2018-05-08 848-266 0–9 XXXall 10 · 7 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SEASIDE PK NJ
2018-05-03 848-264 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NEWBRNSWCK NJ
2018-03-08 848-265 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2017-12-27 848-262 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2017-11-02 848-359 0–9 XXXall 10 · 7 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NJ 6623 METUCHEN NJ
2017-10-17 848-259 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2017-10-11 848-258 0–9 XXXall 10 · 6 holders which blocks → COMCAST IP PHONE, LLC 318J LAKEHURST NJ
2017-09-06 848-255 0–9 XXXall 10 · 2 holders which blocks → CABLEVISION LIGHTPATH, INC. - NJ 4948 DUNELLEN NJ
2017-08-03 848-215 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 DUNELLEN NJ
2017-05-24 848-212 0–9 XXXall 10 · 5 holders which blocks → METROPCS, INC. 5562 WOODBRIDGE NJ
2017-05-19 848-994 0–9 XXXall 10 · 8 holders which blocks → CABLEVISION LIGHTPATH, INC. - NJ 4948 ASBURYPARK NJ
2017-05-16 848-261 0–9 XXXall 10 · 8 holders which blocks → CABLEVISION LIGHTPATH, INC. - NJ 4948 LAKEWOOD NJ
2016-12-15 848-249 0–9 XXXall 10 · 8 holders which blocks → METROPCS, INC. 5562 FARMINGDL NJ
2016-12-13 848-257 0–9 XXXall 10 · 7 holders which blocks → CABLEVISION LIGHTPATH, INC. - NJ 4948 EATONTOWN NJ
2016-08-22 848-256 0–9 XXXall 10 · 5 holders which blocks → OMNIPOINT COMMUNICATIONS, INC. - NJ 6623 METUCHEN NJ
2016-06-27 848-253 0–9 XXXall 10 · 7 holders which blocks → BANDWIDTH.COM CLEC, LLC - NJ 118F EMILLSTONE NJ

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.