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
Sep 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-06-19 | 580-304 | SOUTHWESTERN BELL | 9533 | PONCA CITY | OK |
| 2001-06-19 | 580-307 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | PERRY | OK |
| 2001-06-19 | 580-309 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CLINTON | OK |
| 2001-06-19 | 580-559 | SOUTHWESTERN BELL | 9533 | ADA | OK |
| 2001-06-19 | 585-802 | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | ROCHESTER | NY |
| 2001-06-19 | 774-227 | PAETEC ITEL, LLC | 829J | TAUNTON | MA |
| 2001-06-19 | 802-267 | PAETEC ITEL, LLC | 829J | PROCTOR | VT |
| 2001-06-19 | 802-322 | PAETEC ITEL, LLC | 829J | PLAINFIELD | VT |
| 2001-06-19 | 802-560 | PAETEC ITEL, LLC | 829J | WATERBURY | VT |
| 2001-06-19 | 802-661 | PAETEC ITEL, LLC | 829J | BARRE | VT |
| 2001-06-19 | 802-857 | PAETEC ITEL, LLC | 829J | ESSEX JCT | VT |
| 2001-06-19 | 856-406 | PAETEC ITEL, LLC | 829J | MERCHANTVL | NJ |
| 2001-06-19 | 856-505 | PAETEC ITEL, LLC | 829J | MOORESTOWN | NJ |
| 2001-06-19 | 856-685 | PAETEC ITEL, LLC | 829J | HADDONFLD | NJ |
| 2001-06-19 | 856-925 | PAETEC ITEL, LLC | 829J | LAUREL SPG | NJ |
| 2001-06-19 | 857-991 | COMCAST IP PHONE, LLC | 318J | BOSTON | MA |
| 2001-06-19 | 865-225 | PAETEC ITEL, LLC | 829J | MASCOT | TN |
| 2001-06-19 | 978-790 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | FITCHBURG | MA |
| 2001-06-19 | 978-944 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BILLERICA | MA |
| 2001-06-18 | 201-624 | PAETEC ITEL, LLC | 829J | UNION CITY | NJ |
| 2001-06-18 | 217-724 | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | ROODHOUSE | IL |
| 2001-06-18 | 231-518 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | KALKASKA | MI |
| 2001-06-18 | 231-646 | FRONTIER NORTH, INC. - MI | 0695 | ELLSWORTH | MI |
| 2001-06-18 | 231-681 | FRONTIER NORTH, INC. - MI | 0695 | FRUITPORT | MI |
| 2001-06-18 | 231-735 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | TRAVERSECY | MI |
| 2001-06-18 | 231-753 | PAETEC ITEL, LLC | 829J | PETOSKEY | MI |
| 2001-06-18 | 231-790 | PAETEC ITEL, LLC | 829J | FREESOIL | MI |
| 2001-06-18 | 231-844 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | INDIAN RIV | MI |
| 2001-06-18 | 231-916 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | MANCELONA | MI |
| 2001-06-18 | 231-930 | ACD TELECOM, INC. - MI | 3535 | BEULAH | MI |
| 2001-06-18 | 231-936 | PAETEC ITEL, LLC | 829J | SCOTTVILLE | MI |
| 2001-06-18 | 231-942 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | CADILLAC | MI |
| 2001-06-18 | 262-581 | LEVEL 3 COMMUNICATIONS, LLC - WI | 5489 | LAKEGENEVA | WI |
| 2001-06-18 | 262-587 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0922 | SULLIVAN | WI |
| 2001-06-18 | 262-588 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0922 | PALMYRA | WI |
| 2001-06-18 | 262-589 | FRONTIER NORTH INC. - WI | 0886 | SLINGER | WI |
| 2001-06-18 | 267-265 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | PHLDLPHZN1 | PA |
| 2001-06-18 | 267-269 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | PHLDLPHZN1 | PA |
| 2001-06-18 | 401-733 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7351 | WOONSOCKET | RI |
| 2001-06-18 | 541-238 | LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | KLAMATHFLS | OR |
| 2001-06-18 | 541-239 | LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | BAKER | OR |
| 2001-06-18 | 541-304 | LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | PENDLETON | OR |
| 2001-06-18 | 541-305 | LEVEL 3 COMMUNICATIONS, LLC - OR | 3234 | FLORENCE | OR |
| 2001-06-18 | 541-606 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | EUGENE | OR |
| 2001-06-18 | 563-613 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LOW MOOR | IA |
| 2001-06-18 | 570-872 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | STROUDSBG | PA |
| 2001-06-18 | 586-207 | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | WASHINGTON | MI |
| 2001-06-18 | 586-453 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | ROMEO | MI |
| 2001-06-18 | 609-384 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | BARNEGAT | NJ |
| 2001-06-18 | 609-598 | OMNIPOINT COMMUNICATIONS ENTERPRISES, LP | 6626 | CRANBURY | NJ |
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.