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 |
|---|---|---|---|---|---|
| 212-883 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-884 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-885 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-886 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-887 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-888 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-889 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-890 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-891 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-892 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-893 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-894 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-895 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-896 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-897 | PAETEC ITEL, LLC | 829J | NWYRCYZN01 | NY | |
| 212-898 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-899 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-901 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-902 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-903 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-904 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-906 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-907 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-908 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-909 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-910 | VERIZON NEW YORK, INC. | 9104 | XXXXXXXXXX | NY | |
| 212-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 212-912 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-913 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-915 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-916 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-918 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-919 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-920 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN01 | NY | |
| 212-921 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-922 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-923 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-924 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-925 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-926 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-927 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-928 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-929 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-930 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-931 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN01 | NY | |
| 212-932 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-933 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-934 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-935 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-936 | 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.