NumberResearchRecent prefix assignments
369 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 |
|---|---|---|---|---|---|
| 315-603 | NORTHLAND NETWORKS, LTD. - NY | 7556 | POTSDAM | NY | |
| 315-604 | NORTHLAND NETWORKS, LTD. - NY | 7556 | AUBURN | NY | |
| 315-605 | NORTHLAND NETWORKS, LTD. - NY | 7556 | OGDENSBURG | NY | |
| 315-606 | NORTHLAND NETWORKS, LTD. - NY | 7556 | ONEIDA | NY | |
| 315-608 | NORTHLAND NETWORKS, LTD. - NY | 7556 | WATERTOWN | NY | |
| 315-609 | NORTHLAND NETWORKS, LTD. - NY | 7556 | STAR LAKE | NY | |
| 315-610 | NORTHLAND NETWORKS, LTD. - NY | 7556 | HARRISVL | NY | |
| 315-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 315-612 | BANDWIDTH.COM CLEC, LLC - NY | 997E | AUBURN | NY | |
| 315-613 | ONVOY, LLC- NY | 384C | DOLGEVILLE | NY | |
| 315-614 | ONVOY, LLC- NY | 384C | OGDENSBURG | NY | |
| 315-615 | ONVOY, LLC- NY | 384C | ONEIDA | NY | |
| 315-616 | ONVOY, LLC- NY | 384C | STAR LAKE | NY | |
| 315-617 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | ROME | NY | |
| 315-618 | ONVOY, LLC- NY | 384C | LITTLE FLS | NY | |
| 315-619 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | HERKIMER | NY | |
| 315-620 | BANDWIDTH.COM CLEC, LLC - NY | 997E | GENEVA | NY | |
| 315-621 | ONVOY, LLC- NY | 384C | POTSDAM | NY | |
| 315-622 | VERIZON NEW YORK, INC. | 9104 | LIVERPOOL | NY | |
| 315-623 | VERIZON NEW YORK, INC. | 9104 | CONSTANTIA | NY | |
| 315-624 | NORTHLAND NETWORKS, LTD. - NY | 7556 | UTICA | NY | |
| 315-625 | VERIZON NEW YORK, INC. | 9104 | PARISH | NY | |
| 315-626 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | CATO | NY | |
| 315-627 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | MINOA | NY | |
| 315-628 | VERIZON NEW YORK, INC. | 9104 | THERESA | NY | |
| 315-629 | VERIZON NEW YORK, INC. | 9104 | EVANSMILLS | NY | |
| 315-630 | ONVOY, LLC- NY | 384C | HAMILTON | NY | |
| 315-631 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | CAMILLUS | NY | |
| 315-632 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | FAYETTEVL | NY | |
| 315-633 | VERIZON NEW YORK, INC. | 9104 | BRIDGEPORT | NY | |
| 315-634 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | SYRACUSE | NY | |
| 315-635 | VERIZON NEW YORK, INC. | 9104 | BALDWINSVL | NY | |
| 315-636 | VERIZON NEW YORK, INC. | 9104 | AMBER | NY | |
| 315-637 | VERIZON NEW YORK, INC. | 9104 | FAYETTEVL | NY | |
| 315-638 | VERIZON NEW YORK, INC. | 9104 | BALDWINSVL | NY | |
| 315-639 | TOWNSHIP TEL. CO., INC. | 0129 | DEXTER | NY | |
| 315-640 | VERIZON NEW YORK, INC. | 9104 | SYRACUSE | NY | |
| 315-641 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | LIVERPOOL | NY | |
| 315-642 | VERIZON NEW YORK, INC. | 9104 | PHILA | NY | |
| 315-643 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | MASSENA | NY | |
| 315-644 | VERIZON NEW YORK, INC. | 9104 | NATURALBDG | NY | |
| 315-645 | ONVOY, LLC- NY | 384C | COPENHAGEN | NY | |
| 315-646 | VERIZON NEW YORK, INC. | 9104 | SACKETSHBR | NY | |
| 315-647 | SPOK, INC. | 6630 | SYRACUSE | NY | |
| 315-648 | NORTHLAND NETWORKS, LTD. - NY | 7556 | HAMILTON | NY | |
| 315-649 | TOWNSHIP TEL. CO., INC. | 0129 | CHAUMONT | NY | |
| 315-650 | ONVOY, LLC- NY | 384C | CLAYTON | NY | |
| 315-651 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | WATERLOO | NY | |
| 315-652 | VERIZON NEW YORK, INC. | 9104 | LIVERPOOL | NY | |
| 315-653 | CITIZENS TELECOMM CO OF NY DBA FRONTIER COMM OF NY | 0096 | SO OTSELIC | 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.