NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 212-629 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-630 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-631 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-632 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-633 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-634 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-635 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-636 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-637 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-638 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-639 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-640 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-641 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-642 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-643 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-644 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-645 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-646 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-647 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-648 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-649 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-650 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-651 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-652 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-653 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-654 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-655 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-656 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-657 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-658 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-659 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-661 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-662 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-663 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-664 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-665 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-666 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-667 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-668 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-669 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-670 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-671 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-672 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-673 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-674 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-675 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-676 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-677 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-678 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-679 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.