NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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
New assignments by month
Sep 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 216-767 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-768 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-769 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CLEVELAND | OH | |
| 216-771 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-772 | AT&T ENTERPRISES, LLC | 516C | CLEVELAND | OH | |
| 216-774 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-776 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-778 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-780 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CLEVELAND | OH | |
| 216-781 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-786 | OH | ||||
| 216-787 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-789 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CLEVELAND | OH | |
| 216-790 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-791 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-795 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-797 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-798 | T-MOBILE USA, INC. | 6529 | CLEVELAND | OH | |
| 216-800 | BANDWIDTH.COM CLEC, LLC - OH | 001F | CLEVELAND | OH | |
| 216-802 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-803 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | CLEVELAND | OH | |
| 216-806 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-810 | OHIO BELL TEL CO | 9321 | MONTRSE | OH | |
| 216-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | OH | |
| 216-812 | PAETEC ITEL, LLC | 829J | CLEVELAND | OH | |
| 216-813 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-817 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-818 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-819 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-820 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | CLEVELAND | OH | |
| 216-822 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-823 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | MONTRSE | OH | |
| 216-825 | TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | TERRACE | OH | |
| 216-828 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-830 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-831 | OHIO BELL TEL CO | 9321 | TERRACE | OH | |
| 216-832 | T-MOBILE USA, INC. | 6529 | CLEVELAND | OH | |
| 216-834 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | INDEPNDNCE | OH | |
| 216-838 | ONVOY, LLC - OH | 464C | CLEVELAND | OH | |
| 216-839 | OHIO BELL TEL CO | 9321 | TERRACE | OH | |
| 216-844 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-849 | T-MOBILE USA, INC. | 6529 | CLEVELAND | OH | |
| 216-850 | SPOK, INC. | 6630 | CLEVELAND | OH | |
| 216-851 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-855 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | CLEVELAND | OH | |
| 216-857 | T-MOBILE USA, INC. | 6529 | CLEVELAND | OH | |
| 216-858 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-861 | OHIO BELL TEL CO | 9321 | CLEVELAND | OH | |
| 216-862 | TWC IP ENABLED SERVICES, LLC | 793K | CLEVELAND | OH | |
| 216-865 | LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | MONTRSE | OH |
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.