NumberResearchRecent prefix assignments
380 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 |
|---|---|---|---|---|---|
| 2001-04-16 | 630-714 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-16 | 708-569 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTHBROOK | IL |
| 2001-04-16 | 708-605 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 708-661 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 708-727 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 708-817 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTHBROOK | IL |
| 2001-04-16 | 708-988 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 708-992 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTHBROOK | IL |
| 2001-04-16 | 715-204 | METROPCS, INC. | 5562 | STEVENS PT | WI |
| 2001-04-16 | 724-553 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CRIDERSCOR | PA |
| 2001-04-16 | 724-831 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CRIDERSCOR | PA |
| 2001-04-16 | 740-202 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | COSHOCTON | OH |
| 2001-04-16 | 773-323 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN02 | IL |
| 2001-04-16 | 773-333 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN02 | IL |
| 2001-04-16 | 773-400 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN02 | IL |
| 2001-04-16 | 773-710 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CHICGOZN03 | IL |
| 2001-04-16 | 812-498 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SEYMOUR | IN |
| 2001-04-16 | 812-521 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SEYMOUR | IN |
| 2001-04-16 | 812-861 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SEYMOUR | IN |
| 2001-04-16 | 812-869 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SEYMOUR | IN |
| 2001-04-16 | 812-871 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SEYMOUR | IN |
| 2001-04-16 | 815-767 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 847-319 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LA GRANGE | IL |
| 2001-04-16 | 847-569 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTHBROOK | IL |
| 2001-04-16 | 847-817 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTHBROOK | IL |
| 2001-04-16 | 847-992 | AMERICAN MESSAGING SERVICES, LLC | 9748 | NORTHBROOK | IL |
| 2001-04-16 | 909-503 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLTON | CA |
| 2001-04-16 | 919-360 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CHAPELHILL | NC |
| 2001-04-16 | 928-415 | LEVEL 3 COMMUNICATIONS, LLC - AZ | 3285 | WICKENBURG | AZ |
| 2001-04-16 | 928-486 | T-MOBILE USA, INC. | 6529 | LKHAVASUCY | AZ |
| 2001-04-16 | 970-393 | T-MOBILE USA, INC. | 6529 | VAIL | CO |
| 2001-04-13 | 201-233 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | CLIFFSIDE | NJ |
| 2001-04-13 | 201-486 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | MORRISTOWN | NJ |
| 2001-04-13 | 201-647 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | HACKENSACK | NJ |
| 2001-04-13 | 201-873 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | FAIR LAWN | NJ |
| 2001-04-13 | 201-925 | OMNIPOINT COMMUNICATIONS, INC. - NJ | 6623 | RIDGEWOOD | NJ |
| 2001-04-13 | 312-323 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-333 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-400 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-514 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-689 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-740 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-760 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-839 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 312-903 | AMERICAN MESSAGING SERVICES, LLC | 9748 | CHICGOZN01 | IL |
| 2001-04-13 | 435-226 | PAETEC ITEL, LLC | 829J | BRIGHAM CY | UT |
| 2001-04-13 | 435-227 | PAETEC ITEL, LLC | 829J | LOGAN | UT |
| 2001-04-13 | 435-228 | PAETEC ITEL, LLC | 829J | TOOELE | UT |
| 2001-04-13 | 507-419 | MCC TELEPHONY LLC | 593K | LE CENTER | MN |
| 2001-04-13 | 562-616 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CMTN CMTN | 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.