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
New assignments by month
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-05-21 | 309-831 | FRONTIER NORTH, INC. - IL | 1015 | BLOOMINGTN | IL |
| 2001-05-21 | 309-834 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | BLOOMINGTN | IL |
| 2001-05-21 | 309-866 | FRONTIER NORTH, INC. - IL | 1015 | MORTON | IL |
| 2001-05-21 | 407-241 | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | ORLANDO | FL |
| 2001-05-21 | 412-265 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PTGSBNZN20 | PA |
| 2001-05-21 | 412-294 | LEVEL 3 COMMUNICATIONS, LLC - PA | 4007 | PTGSBNZN14 | PA |
| 2001-05-21 | 412-693 | PAETEC ITEL, LLC | 829J | PTGSBNZN11 | PA |
| 2001-05-21 | 413-206 | PAETEC ITEL, LLC | 829J | CHICOPEE | MA |
| 2001-05-21 | 413-313 | PAETEC ITEL, LLC | 829J | HOLYOKE | MA |
| 2001-05-21 | 413-366 | PAETEC ITEL, LLC | 829J | WILBRAHAM | MA |
| 2001-05-21 | 413-384 | PAETEC ITEL, LLC | 829J | LONGMEADOW | MA |
| 2001-05-21 | 413-551 | PAETEC ITEL, LLC | 829J | LENOX | MA |
| 2001-05-21 | 413-595 | PAETEC ITEL, LLC | 829J | HAMPDEN | MA |
| 2001-05-21 | 413-727 | PAETEC ITEL, LLC | 829J | NORTHAMPTN | MA |
| 2001-05-21 | 413-759 | PAETEC ITEL, LLC | 829J | ELONGMEDOW | MA |
| 2001-05-21 | 413-779 | PAETEC ITEL, LLC | 829J | EASTHAMPTN | MA |
| 2001-05-21 | 413-842 | PAETEC ITEL, LLC | 829J | DALTON | MA |
| 2001-05-21 | 413-995 | PAETEC ITEL, LLC | 829J | LUDLOW | MA |
| 2001-05-21 | 570-221 | VERIZON PENNSYLVANIA, INC. | 9208 | ELYSBURG | PA |
| 2001-05-21 | 570-232 | VERIZON PENNSYLVANIA, INC. | 9208 | SHENANDOAH | PA |
| 2001-05-21 | 570-428 | VERIZON PENNSYLVANIA, INC. | 9208 | MILTON | PA |
| 2001-05-21 | 570-484 | VERIZON PENNSYLVANIA, INC. | 9208 | LOCK HAVEN | PA |
| 2001-05-21 | 570-691 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | POTTSVILLE | PA |
| 2001-05-21 | 585-409 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | BATAVIA | NY |
| 2001-05-21 | 585-808 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WELLSVILLE | NY |
| 2001-05-21 | 603-541 | FIDIUM ENTERPRISE SERVICES, LLC | 383J | MANCHESTER | NH |
| 2001-05-21 | 610-310 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA | 6392 | POTTSTOWN | PA |
| 2001-05-21 | 661-343 | METROPCS, INC. | 5562 | BKFD MAIN | CA |
| 2001-05-21 | 719-209 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
| 2001-05-21 | 805-720 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SANTAMARIA | CA |
| 2001-05-21 | 906-670 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | WATERSMEET | MI |
| 2001-05-21 | 906-984 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | ST IGNACE | MI |
| 2001-05-21 | 925-643 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | PSBG WEST | CA |
| 2001-05-21 | 937-520 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DAYTON | OH |
| 2001-05-18 | 201-676 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | LEONIA | NJ |
| 2001-05-18 | 217-772 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | HOOPESTON | IL |
| 2001-05-18 | 217-817 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | MONTICELLO | IL |
| 2001-05-18 | 217-838 | FRONTIER NORTH, INC. - IL | 1015 | LINCOLN | IL |
| 2001-05-18 | 217-921 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PARIS | IL |
| 2001-05-18 | 231-674 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | GRANT | MI |
| 2001-05-18 | 231-791 | PAETEC ITEL, LLC | 829J | REED CITY | MI |
| 2001-05-18 | 231-803 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | MORLEY | MI |
| 2001-05-18 | 231-923 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | HART | MI |
| 2001-05-18 | 240-416 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WALDORF | MD |
| 2001-05-18 | 252-487 | SPOK, INC. | 6630 | ROCKYMOUNT | NC |
| 2001-05-18 | 252-488 | SPOK, INC. | 6630 | ROANOKERPD | NC |
| 2001-05-18 | 252-498 | SPOK, INC. | 6630 | WILSON | NC |
| 2001-05-18 | 323-719 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LSAN DA 09 | CA |
| 2001-05-18 | 323-997 | METROPCS NETWORKS, LLC | 899D | LSAN DA 12 | CA |
| 2001-05-18 | 415-286 | T-MOBILE USA, INC. | 6529 | SNFC MT-EV | CA |
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.