NumberResearchRecent prefix assignments
271 prefixes assigned in August 2026 · 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, August 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-08-31 | 236-254 | OpenMobile Inc. | 949K | Gibsons | — |
| 2026-08-31 | 413-607 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA | 6387 | WILLIAMSTN | MA |
| 2026-08-31 | 686-219 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RICHMOND | VA |
| 2026-08-28 | 509-801 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | YAKIMA | WA |
| 2026-08-28 | 517-396 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | JACKSON | MI |
| 2026-08-28 | 837-776 | ONVOY, LLC - CA | 649C | REDDING | CA |
| 2026-08-28 | 837-888 | ONVOY, LLC - CA | 649C | SHINGLESPG | CA |
| 2026-08-28 | 986-309 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | HOPE | ID |
| 2026-08-28 | 986-310 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | GRANGEVL | ID |
| 2026-08-28 | 989-547 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | PINCONNING | MI |
| 2026-08-27 | 346-944 | ONVOY, LLC - TX | 903C | LEAGUECITY | TX |
| 2026-08-27 | 424-583 | ONVOY, LLC - CA | 649C | TORRANCE | CA |
| 2026-08-27 | 463-344 | ONVOY, LLC - IN | 097D | NOBLESVL | IN |
| 2026-08-27 | 464-288 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OAK FOR SO | IL |
| 2026-08-27 | 464-289 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OAK FOR SO | IL |
| 2026-08-27 | 475-996 | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2026-08-27 | 660-302 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | GRAHAM | MO |
| 2026-08-27 | 681-563 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HNTNGTNZN1 | WV |
| 2026-08-27 | 708-944 | ONVOY, LLC | 224C | TINLEYPARK | IL |
| 2026-08-27 | 730-303 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OLNEY | IL |
| 2026-08-27 | 747-392 | ONVOY, LLC - CA | 649C | AGOURA | CA |
| 2026-08-27 | 769-381 | ONVOY, LLC - MS | 719E | MERIDIAN | MS |
| 2026-08-27 | 820-251 | ONVOY, LLC - CA | 649C | PASOROBLES | CA |
| 2026-08-27 | 826-292 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | STAFFORD | VA |
| 2026-08-27 | 837-777 | WIDE VOICE, LLC - CA | 252F | TRUCKEE | CA |
| 2026-08-27 | 925-591 | ONVOY, LLC - CA | 649C | LIVERMORE | CA |
| 2026-08-27 | 947-298 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BIRMINGHAM | MI |
| 2026-08-27 | 948-273 | ONVOY, LLC - VA | 138E | SUFFOLK | VA |
| 2026-08-27 | 951-854 | ONVOY, LLC - CA | 649C | HEMT SNJC | CA |
| 2026-08-26 | 216-602 | ONVOY, LLC - OH | 464C | MONTRSE | OH |
| 2026-08-26 | 272-488 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ASHLAND | PA |
| 2026-08-26 | 283-239 | ONVOY, LLC - OH | 464C | MIDDLETOWN | OH |
| 2026-08-26 | 309-951 | ONVOY, LLC | 224C | WASHINGTON | IL |
| 2026-08-26 | 352-886 | ONVOY, LLC - FL | 937C | LEESBURG | FL |
| 2026-08-26 | 386-460 | ONVOY, LLC - FL | 937C | DELAND | FL |
| 2026-08-26 | 479-604 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ROGERS | AR |
| 2026-08-26 | 530-951 | ONVOY, LLC - CA | 649C | MARYSVILLE | CA |
| 2026-08-26 | 629-346 | ONVOY, LLC - TN | 525E | SMYRNA | TN |
| 2026-08-26 | 636-526 | ONVOY, LLC - MO | 093F | HARVESTER | MO |
| 2026-08-26 | 686-218 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | RICHMOND | VA |
| 2026-08-26 | 716-905 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | JAMESTOWN | NY |
| 2026-08-26 | 762-468 | ONVOY, LLC - GA | 067D | LAGRANGE | GA |
| 2026-08-26 | 820-250 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OJAI | CA |
| 2026-08-26 | 848-419 | ONVOY, LLC - NJ | 637C | LAKEWOOD | NJ |
| 2026-08-26 | 848-421 | ONVOY, LLC - NJ | 637C | PTPLEASANT | NJ |
| 2026-08-26 | 856-698 | ONVOY, LLC - NJ | 637C | HADDONFLD | NJ |
| 2026-08-26 | 945-992 | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 7148 | DLFTWTARPT | TX |
| 2026-08-26 | 959-996 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | MIDDLETOWN | CT |
| 2026-08-26 | 975-218 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KANSASCITY | MO |
| 2026-08-26 | 983-230 | ONVOY, LLC - CO | 026D | LONGMONT | CO |
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.