NumberResearchRecent prefix assignments
352 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 |
|---|---|---|---|---|---|
| 956-934 | ONVOY, LLC - TX | 903C | SAN BENITO | TX | |
| 956-936 | BORDER TO BORDER COMMUNICATIONS | 2073 | FALCON | TX | |
| 956-943 | SOUTHWESTERN BELL | 9533 | PORTISABEL | TX | |
| 956-944 | VALLEY TEL. COOP., INC. | 2159 | PT MANSFLD | TX | |
| 956-948 | SOUTHWESTERN BELL | 9533 | ENCINAL | TX | |
| 956-950 | TX | ||||
| 956-956 | TX | ||||
| 956-958 | TX | ||||
| 956-959 | TX | ||||
| 956-968 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | WESLACO | TX | |
| 956-969 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | WESLACO | TX | |
| 956-971 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 956-972 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 956-973 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | WESLACO | TX | |
| 956-975 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WESLACO | TX | |
| 956-976 | TX | ||||
| 956-982 | SOUTHWESTERN BELL | 9533 | BROWNSVL | TX | |
| 956-983 | SOUTHWESTERN BELL | 9533 | BROWNSVL | TX | |
| 956-984 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 956-986 | SOUTHWESTERN BELL | 9533 | BROWNSVL | TX | |
| 956-988 | TX | ||||
| 956-992 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 956-994 | SOUTHWESTERN BELL | 9533 | MCALLEN | TX | |
| 959-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-213 | COMCAST IP PHONE, LLC | 318J | NEW LONDON | CT | |
| 959-230 | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | 7143 | HARTFORD | CT | |
| 959-255 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 6388 | HARTFORD | CT | |
| 959-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | CT | |
| 959-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-700 | CT | ||||
| 959-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CT | |
| 959-950 | CT | ||||
| 959-958 | CT | ||||
| 959-959 | CT | ||||
| 959-976 | CT | ||||
| 970-200 | BANDWIDTH.COM CLEC, LLC - CO | 078F | GRAND JCT | CO | |
| 970-201 | T-MOBILE USA, INC. | 6529 | GRAND JCT | CO | |
| 970-202 | AMERICAN MESSAGING SERVICES, LLC | 9748 | BERTHOUD | CO | |
| 970-203 | QWEST CORPORATION | 9636 | LOVELAND | CO | |
| 970-204 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-206 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-207 | QWEST CORPORATION | 9636 | FT COLLINS | CO | |
| 970-208 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GRAND JCT | CO | |
| 970-209 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MONTROSE | CO | |
| 970-210 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO |
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.