NumberResearchRecent prefix assignments
366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 989-473 | FRONTIER MIDSTATES, INC. - MI | 0681 | LUPTON | MI | |
| 989-478 | AMERICAN MESSAGING SERVICES, LLC | 9748 | GRAYLING | MI | |
| 989-479 | FRONTIER NORTH, INC. - MI | 0695 | HARBOR BCH | MI | |
| 989-489 | AMERICAN MESSAGING SERVICES, LLC | 9748 | OSCODA | MI | |
| 989-490 | AMERICAN MESSAGING SERVICES, LLC | 9748 | GAYLORD | MI | |
| 989-493 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | SAGINAW | MI | |
| 989-495 | MICHIGAN BELL TEL CO | 9323 | MIDLAND | MI | |
| 989-496 | MICHIGAN BELL TEL CO | 9323 | MIDLAND | MI | |
| 989-497 | MICHIGAN BELL TEL CO | 9323 | SAGINAW | MI | |
| 989-498 | MICHIGAN BELL TEL CO | 9323 | SAGINAW | MI | |
| 989-501 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | SAGINAW | MI | |
| 989-503 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HIGGINS LK | MI | |
| 989-506 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | MTPLEASANT | MI | |
| 989-509 | TELNET WORLDWIDE, INC. | 817J | BAY CITY | MI | |
| 989-510 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PRESCOTT | MI | |
| 989-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | MI | |
| 989-514 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | STERLING | MI | |
| 989-520 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ALGER | MI | |
| 989-528 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AKRON | MI | |
| 989-537 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | PINCONNING | MI | |
| 989-538 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | HOUGHTONLK | MI | |
| 989-539 | MICHIGAN BELL TEL CO | 9323 | HARRISON | MI | |
| 989-544 | MICHIGAN BELL TEL CO | 9323 | FARWELL | MI | |
| 989-550 | THUMB CELLULAR LP | 6718 | PIGEON | MI | |
| 989-551 | THUMB CELLULAR LP | 6718 | PIGEON | MI | |
| 989-553 | THUMB CELLULAR LP | 6718 | PIGEON | MI | |
| 989-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | MI | |
| 989-560 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | MTPLEASANT | MI | |
| 989-561 | BLANCHARD TELEPHONE CO. | 0678 | BLANCHARD | MI | |
| 989-572 | DAYSTARR LLC DBA DAYSTARR COMMUNICATIONS | 993L | MTPLEASANT | MI | |
| 989-573 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | FREELAND | MI | |
| 989-574 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | SAGINAW | MI | |
| 989-576 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ALMA | MI | |
| 989-577 | ONVOY, LLCV - MI | 543C | SAGINAW | MI | |
| 989-578 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | GLADWIN | MI | |
| 989-583 | MICHIGAN BELL TEL CO | 9323 | SAGINAW | MI | |
| 989-584 | FRONTIER NORTH, INC. - MI | 0695 | CARSONCITY | MI | |
| 989-585 | BRIGHTSPEED OF CENTRAL MICHIGAN, INC | 0671 | BRANT | MI | |
| 989-587 | WESTPHALIA TEL. CO. | 0735 | WESTPHALIA | MI | |
| 989-588 | MICHIGAN BELL TEL CO | 9323 | FARWELL | MI | |
| 989-590 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | ALPENA | MI | |
| 989-591 | SPOK, INC. | 6630 | ALPENA | MI | |
| 989-593 | FRONTIER NORTH, INC. - MI | 0695 | FOWLERPWMO | MI | |
| 989-594 | SPOK, INC. | 6630 | GAYLORD | MI | |
| 989-595 | FRONTIER NORTH, INC. - MI | 0695 | LONG LAKE | MI | |
| 989-598 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | SAGINAW | MI | |
| 989-599 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | SAGINAW | MI | |
| 989-601 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ITHACA | MI | |
| 989-603 | AMERICAN MESSAGING SERVICES, LLC | 9748 | ALPENA | MI | |
| 989-610 | AMERICAN MESSAGING SERVICES, LLC | 9748 | SAGINAW | MI |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.