NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

0 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, all time — NPA 757
VERIZON VIRGINIA, INC. 220
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 105
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 80
COMCAST IP PHONE, LLC 73
PAETEC ITEL, LLC 48
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
2006-06-02 757-769 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - VA 8825 NRFOLKZON2 VA
2006-05-17 757-401 0–9 XXXall 10 · 4 holders which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON1 VA
2006-05-10 757-908 2XXX3XXX4XXX6XXX7XXX · 4 holders which blocks → MCC TELEPHONY OF THE MID-ATLANTIC, LLC - VA 168G NRFOLKZON6 VA
2006-04-26 757-648 0–9 XXXall 10 · 4 holders which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON2 VA
2006-02-16 757-702 0–9 XXXall 10 · 8 holders which blocks → CORETEL VIRGINIA, LLC - VA 5832 CHINCOTEGU VA
2006-01-31 757-261 0–9 XXXwhole prefix which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON4 VA
2006-01-30 757-507 0–9 XXXwhole prefix which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON4 VA
2006-01-26 757-351 0–9 XXXall 10 · 3 holders which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON2 VA
2006-01-26 757-649 not yet reported which blocks → CORETEL VIRGINIA, LLC - VA 5832 NRFOLKZON4 VA
2005-08-18 757-763 0–9 XXXall 10 · 4 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
2005-06-01 757-385 0–9 XXXwhole prefix which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 NRFOLKZON4 VA
2005-06-01 757-389 0–9 XXXall 10 · 5 holders which blocks → PAETEC ITEL, LLC 829J NRFOLKZON1 VA
2005-05-31 757-609 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - VA 8825 NRFOLKZON1 VA
2005-05-14 757-663 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2005-03-28 757-350 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 EASTVILLE VA
2005-02-25 757-309 0–9 XXXall 10 · 4 holders which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON2 VA
2004-09-20 757-214 0–9 XXXall 10 · 3 holders which blocks → CORETEL VIRGINIA, LLC - VA 5832 NRFOLKZON1 VA
2004-09-20 757-310 0–9 XXXall 10 · 4 holders which blocks → CORETEL VIRGINIA, LLC - VA 5832 NWPTNWSZN1 VA
2004-07-28 757-201 0–9 XXXall 10 · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC - VA 7238 NRFOLKZON2 VA
2004-02-04 757-299 0–9 XXXall 10 · 2 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - VA 8825 NRFOLKZON1 VA
2004-01-28 757-257 0–9 XXXall 10 · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - VA 079F NRFOLKZON1 VA
2003-12-02 757-984 0–9 XXXwhole prefix which blocks → COMCAST IP PHONE, LLC 318J WILLIAMSBG VA
2003-10-27 757-747 0–9 XXXwhole prefix which blocks → PAETEC ITEL, LLC 829J NRFOLKZON2 VA
2003-09-18 757-388 0–9 XXXwhole prefix which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON2 VA
2003-07-25 757-387 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ONANCOCK VA
2003-03-26 757-774 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - VA 079F SUFFOLK VA
2002-09-23 757-773 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2002-08-07 757-332 2XXX5XXX7XXX8XXX which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 SMITHFIELD VA
2002-07-26 757-927 not yet reported which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NWPTNWSZN2 VA
2002-07-24 757-971 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2002-07-10 757-761 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2002-05-28 757-753 not yet reported which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NWPTNWSZN1 VA
2002-05-24 757-513 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2002-05-20 757-297 7XXX9XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON3 VA
2002-05-20 757-298 2XXX7XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NWPTNWSZN3 VA
2002-05-16 757-338 4XXX7XXX8XXX which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 SUFFOLK VA
2002-05-16 757-339 not yet reported which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON1 VA
2002-05-10 757-784 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 WILLIAMSBG VA
2002-03-04 757-749 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2002-02-28 757-358 not yet reported which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NWPTNWSZN3 VA
2002-02-28 757-515 not yet reported which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON2 VA
2002-02-28 757-839 not yet reported which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON3 VA
2002-02-21 757-736 not yet reported which blocks → COMCAST IP PHONE, LLC 318J NWPTNWSZN2 VA
2001-11-20 757-522 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → METROPCS, INC. 5562 SURRY VA
2001-11-09 757-831 none assigned yet which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON2 VA
2001-11-07 757-772 0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → PAETEC ITEL, LLC 829J NWPTNWSZN4 VA
2001-11-02 757-470 2XXX3XXX4XXX5XXX · 3 holders which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON2 VA
2001-10-31 757-754 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
2001-10-09 757-748 none assigned yet which blocks → OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NRFOLKZON2 VA
2001-10-02 757-584 not yet reported which blocks → SPOK, INC. 6630 NWPTNWSZN3 VA

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.