Recent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
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 |
|---|---|---|---|---|---|---|
| — | 516-922 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN07 | NY |
| — | 516-924 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NASSAUZN05 | NY |
| — | 516-926 | 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 5 holders which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN01 | NY |
| — | 516-927 | 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX · 6 holders which blocks → | AT&T - LOCAL | 7421 | FARMINGDL | NY |
| — | 516-931 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-932 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-933 | 5XXX which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-934 | 0XXX1XXX · 2 holders which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-935 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-936 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | XXXXXXXXXX | NY |
| — | 516-937 | 8XXX which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-938 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-939 | 1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-941 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → | PAETEC ITEL, LLC | 829J | NASSAUZN05 | NY |
| — | 516-942 | 1XXX which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-943 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX which blocks → | METROPCS, INC. | 5562 | NASSAUZN08 | NY |
| — | 516-944 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN01 | NY |
| — | 516-945 | 2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 5 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NASSAUZN04 | NY |
| — | 516-946 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN05 | NY |
| — | 516-948 | not yet reported which blocks → | SPOK, INC. | 6630 | SELDEN | NY |
| — | 516-949 | 0XXX1XXX5XXX6XXX9XXX · 2 holders which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN08 | NY |
| — | 516-950 | not yet reported which blocks → | NY | |||
| — | 516-953 | 0XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | TC SYSTEMS, INC. - NY | 7140 | NASSAUZN04 | NY |
| — | 516-954 | not yet reported which blocks → | SPOK, INC. | 6630 | NASSAUZN05 | NY |
| — | 516-955 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | XXXXXXXXXX | NY |
| — | 516-958 | not yet reported which blocks → | NY | |||
| — | 516-959 | not yet reported which blocks → | NY | |||
| — | 516-960 | 4XXX6XXX8XXX · 2 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NASSAUZN06 | NY |
| — | 516-962 | 1XXX2XXX3XXX4XXX5XXX6XXX8XXX · 4 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | FARMINGDL | NY |
| — | 516-965 | 5XXX6XXX7XXX8XXX which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NASSAUZN05 | NY |
| — | 516-967 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NASSAUZN05 | NY |
| — | 516-971 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SELDEN | NY |
| — | 516-972 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN05 | NY |
| — | 516-976 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY |
| — | 516-977 | not yet reported which blocks → | PAETEC ITEL, LLC | 829J | FARMINGDL | NY |
| — | 516-978 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN07 | NY |
| — | 516-982 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SELDEN | NY |
| — | 516-983 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | CENTRAISLP | NY |
| — | 516-984 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NASSAUZN05 | NY |
| — | 516-986 | 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | FARMINGDL | NY |
| — | 516-987 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NASSAUZN05 | NY |
| — | 516-988 | 0–9 XXXall 10 · 2 holders which blocks → | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | NASSAUZN05 | NY |
| — | 516-991 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | CENTRAISLP | NY |
| — | 516-992 | 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | CABLEVISION LIGHTPATH, INC. - NY | 7126 | NASSAUZN06 | NY |
| — | 516-993 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | NASSAUZN05 | NY |
| — | 516-994 | none assigned yet which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | SELDEN | NY |
| — | 516-996 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NASSAUZN05 | NY |
| — | 516-997 | not yet reported which blocks → | VERIZON NEW YORK, INC. | 9104 | NASSAUZN05 | NY |
| — | 516-998 | 4XXX5XXX6XXX8XXX · 2 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NASSAUZN02 | NY |
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.