NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

7 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 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
Clear Download CSV ↓
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 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.