Recent prefix assignments
375 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/30/2026
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.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 540-719 | 4XXX6XXX9XXX · 2 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | BURNTCHMNY | VA |
| — | 540-720 | not yet reported which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | STAFFORD | VA |
| — | 540-721 | not yet reported which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | BURNTCHMNY | VA |
| — | 540-722 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | WINCHESTER | VA |
| — | 540-723 | 5XXX7XXX · 2 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | WINCHESTER | VA |
| — | 540-724 | 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 8 holders which blocks → | TELNYX LLC | 073H | MARSHALL | VA |
| — | 540-725 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | ROANOKE | VA |
| — | 540-726 | 0XXX1XXX4XXX5XXX6XXX8XXX · 5 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | NARROWS | VA |
| — | 540-727 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | CULPEPER | VA |
| — | 540-729 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | CULPEPER | VA |
| — | 540-731 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | RADFORD | VA |
| — | 540-735 | 4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | PAETEC ITEL, LLC | 829J | FREDECKSBG | VA |
| — | 540-736 | 4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | PAETEC ITEL, LLC | 829J | CHANCELLOR | VA |
| — | 540-737 | 4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | PAETEC ITEL, LLC | 829J | HARTWOOD | VA |
| — | 540-738 | 0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | CORETEL VIRGINIA, LLC - VA | 5832 | MADISON | VA |
| — | 540-740 | 5XXX6XXX7XXX · 3 holders which blocks → | SHENANDOAH TEL. CO. | 0250 | NEW MARKET | VA |
| — | 540-741 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | FREDECKSBG | VA |
| — | 540-742 | 0XXX6XXX7XXX9XXX · 4 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | LURAY | VA |
| — | 540-743 | not yet reported which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | LURAY | VA |
| — | 540-744 | 0–9 XXXall 10 · 6 holders which blocks → | PEERLESS NETWORK OF VIRGINIA, LLC - VA | 275G | RADFORD | VA |
| — | 540-745 | not yet reported which blocks → | CITIZENS TEL. COOP. | 0225 | FLOYD | VA |
| — | 540-747 | 7XXX8XXX which blocks → | LUMOS TELEPHONE LLC | 0226 | POTTSCREEK | VA |
| — | 540-748 | 5XXX7XXX8XXX9XXX · 3 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LOUISA | VA |
| — | 540-749 | 0–9 XXXall 10 · 7 holders which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | FRONTROYAL | VA |
| — | 540-751 | 3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | MT GILEAD | VA |
| — | 540-752 | 3XXX which blocks → | VERIZON VIRGINIA, INC. | 9213 | HARTWOOD | VA |
| — | 540-758 | 0XXX2XXX · 2 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | EDINBURG | VA |
| — | 540-760 | 0XXX which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | FREDECKSBG | VA |
| — | 540-763 | not yet reported which blocks → | CITIZENS TEL. COOP. | 0225 | ALUM RIDGE | VA |
| — | 540-767 | 9XXX which blocks → | LEVEL 3 COMMUNICATIONS, LLC - VA | 8825 | ROANOKE | VA |
| — | 540-769 | 1XXX3XXX7XXX8XXX9XXX · 3 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | ROANOKE | VA |
| — | 540-772 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | ROANOKE | VA |
| — | 540-774 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | ROANOKE | VA |
| — | 540-775 | not yet reported which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | KINGGEORGE | VA |
| — | 540-776 | not yet reported which blocks → | VERIZON VIRGINIA, INC. | 9213 | ROANOKE | VA |
| — | 540-777 | not yet reported which blocks → | COMCAST IP PHONE, LLC | 318J | ROANOKE | VA |
| — | 540-778 | 7XXX9XXX · 2 holders which blocks → | BRIGHTSPEED OF VIRGINIA, LLC | 0254 | STANLEY | VA |
| — | 540-785 | not yet reported which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | CHANCELLOR | VA |
| — | 540-786 | not yet reported which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | CHANCELLOR | VA |
| — | 540-788 | 0XXX2XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → | VERIZON VIRGINIA, INC. | 9213 | CALVERTON | VA |
| — | 540-789 | not yet reported which blocks → | CITIZENS TEL. COOP. | 0225 | WILLIS | VA |
| — | 540-793 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | ROANOKE | VA |
| — | 540-797 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | ROANOKE | VA |
| — | 540-798 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | ROANOKE | VA |
| — | 540-801 | none assigned yet which blocks → | VERIZON SOUTH, INC. - VA (CONTEL) | 0233 | HARRISONBG | VA |
| — | 540-805 | 3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | SPOTSYLVAN | VA |
| — | 540-808 | 0–9 XXXall 10 · 3 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | BLACKSBURG | VA |
| — | 540-809 | 0–9 XXXwhole prefix which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA | 6827 | FREDECKSBG | VA |
| — | 540-811 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA |
| — | 540-816 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | BEDFORD | VA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/30/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.