NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-12-17 | 720-506 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | DENVER | CO |
| 2001-12-17 | 720-891 | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | DENVER | CO |
| 2001-12-17 | 763-232 | AERIAL COMMUNICATIONS, INC. | 6701 | TWINCITIES | MN |
| 2001-12-17 | 808-330 | T-MOBILE USA, INC. | 6529 | HONOLULU | HI |
| 2001-12-17 | 857-472 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | BOSTON | MA |
| 2001-12-17 | 937-397 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DAYTON | OH |
| 2001-12-17 | 937-789 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DAYTON | OH |
| 2001-12-17 | 952-239 | AERIAL COMMUNICATIONS, INC. | 6701 | TWINCITIES | MN |
| 2001-12-15 | 617-275 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | BOSTON | MA |
| 2001-12-15 | 617-386 | TC SYSTEMS, INC. | 7135 | CAMBRIDGE | MA |
| 2001-12-15 | 774-213 | PAETEC ITEL, LLC | 829J | MIDDLEBORO | MA |
| 2001-12-15 | 781-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BURLINGTON | MA |
| 2001-12-15 | 978-767 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | DANVERS | MA |
| 2001-12-14 | 203-994 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | DANBURY | CT |
| 2001-12-14 | 203-996 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | NEW HAVEN | CT |
| 2001-12-14 | 309-230 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | ROCKISLAND | IL |
| 2001-12-14 | 320-510 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN | 5816 | GLENCOE | MN |
| 2001-12-14 | 361-288 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | C CHRISTI | TX |
| 2001-12-14 | 405-694 | CHICKASAW TELECOMMUNICAIONS SERVICES, INC. | 4630 | OKLA CITY | OK |
| 2001-12-14 | 405-788 | T-MOBILE USA, INC. | 6529 | SHAWNEE | OK |
| 2001-12-14 | 417-399 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | BOLIVAR | MO |
| 2001-12-14 | 417-527 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | BRANSON | MO |
| 2001-12-14 | 507-301 | AERIAL COMMUNICATIONS, INC. | 6701 | NORTHFIELD | MN |
| 2001-12-14 | 509-260 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | CLE ELUM | WA |
| 2001-12-14 | 570-556 | METROPCS, INC. | 5562 | SUNBURY | PA |
| 2001-12-14 | 609-456 | LEVEL 3 COMMUNICATIONS, LLC - NJ | 4804 | BORDENTOWN | NJ |
| 2001-12-14 | 660-233 | AERIAL COMMUNICATIONS, INC. | 6701 | KNOBNOSTER | MO |
| 2001-12-14 | 661-317 | T-MOBILE USA, INC. | 6529 | PLDL PLDL | CA |
| 2001-12-14 | 661-373 | T-MOBILE USA, INC. | 6529 | SNCA NHCS | CA |
| 2001-12-14 | 661-472 | T-MOBILE USA, INC. | 6529 | BKFD MAIN | CA |
| 2001-12-14 | 713-362 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | 7074 | HOUSTON | TX |
| 2001-12-14 | 717-443 | METROPCS, INC. | 5562 | HARISBGZN1 | PA |
| 2001-12-14 | 785-917 | AERIAL COMMUNICATIONS, INC. | 6701 | LAWRENCE | KS |
| 2001-12-14 | 831-295 | T-MOBILE USA, INC. | 6529 | SANTA CRUZ | CA |
| 2001-12-14 | 831-297 | T-MOBILE USA, INC. | 6529 | HOLLISTER | CA |
| 2001-12-14 | 831-406 | T-MOBILE USA, INC. | 6529 | WATSONVL | CA |
| 2001-12-14 | 856-226 | MONMOUTH TELEPHONE AND TELEGRAPH, INC. - NJ | 3639 | GLASSBORO | NJ |
| 2001-12-14 | 857-389 | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | CHARLESTN | MA |
| 2001-12-14 | 858-231 | T-MOBILE USA, INC. | 6529 | POWAY | CA |
| 2001-12-14 | 858-405 | T-MOBILE USA, INC. | 6529 | LA JOLLA | CA |
| 2001-12-14 | 860-806 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HARWINTON | CT |
| 2001-12-14 | 860-869 | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | HARTFORD | CT |
| 2001-12-14 | 870-592 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | PINE BLUFF | AR |
| 2001-12-14 | 901-221 | PAETEC ITEL, LLC | 829J | COLLIERVL | TN |
| 2001-12-14 | 903-269 | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | GREENVILLE | TX |
| 2001-12-14 | 912-212 | FRONTIER COMMUNICATIONS OF GEORGIA, LLC | 0387 | STATESBORO | GA |
| 2001-12-14 | 973-757 | PAETEC ITEL, LLC | 829J | NEWARK | NJ |
| 2001-12-13 | 202-247 | PAETEC ITEL, LLC | 829J | WSHNGTNZN1 | DC |
| 2001-12-13 | 339-309 | LEVEL 3 COMMUNICATIONS, LLC - MA | 4018 | KINGSTON | MA |
| 2001-12-13 | 404-455 | POWERTEL ATLANTA LICENSES, INC. | 7473 | ATLANTA | GA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.