NumberResearch Membership · Data 2026-04

Recent prefix assignments

352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
8X8, INC. 38
NEW CINGULAR WIRELESS PCS, LLC - IL 31
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - CA 28
ONVOY, LLC - NJ 18
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
787-602 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-603 SUNCOM DBA T-MOBILE USA 8645 SANTURCE PR
787-604 SUNCOM DBA T-MOBILE USA 8645 SANTURCE PR
787-605 SUNCOM DBA T-MOBILE USA 8645 SANTURCE PR
787-607 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-608 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-609 LIBERTY MOBILE PUERTO RICO INC. 8305 ISABELA PR
787-610 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 TRUJILLOAL PR
787-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX PR
787-612 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 TRUJILLOAL PR
787-613 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 TRUJILLOAL PR
787-614 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 TRUJILLOAL PR
787-615 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 SANTURCE PR
787-616 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 TRUJILLOAL PR
787-617 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 TRUJILLOAL PR
787-618 PUERTO RICO TELCO DBA CLARO PUERTO RICO 4823 SANTURCE PR
787-620 LIBERTY MOBILE PUERTO RICO INC. 8305 SANTURCE PR
787-621 LIBERTY MOBILE PUERTO RICO INC. 8305 MANATI PR
787-622 LIBERTY MOBILE PUERTO RICO INC. 8305 SANTURCE PR
787-623 LIBERTY MOBILE PUERTO RICO INC. 8305 BARCELONTA PR
787-624 LIBERTY MOBILE PUERTO RICO INC. 639J TRUJILLOAL PR
787-626 LIBERTY MOBILE PUERTO RICO INC. 8305 DORADO PR
787-627 SUNCOM DBA T-MOBILE USA 8645 SANTURCE PR
787-628 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-630 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-631 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-632 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-633 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-634 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-635 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-636 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-637 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-638 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-639 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-640 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-641 LIBERTY MOBILE PUERTO RICO INC. 8305 SANTURCE PR
787-642 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-643 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-644 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-645 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-646 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-647 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-648 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-649 LIBERTY MOBILE PUERTO RICO INC. 639J SANTURCE PR
787-650 LIBERTY MOBILE PUERTO RICO INC. 8305 ARECIBO PR
787-651 LIBERTY MOBILE PUERTO RICO INC. 8305 PONCE PR
787-652 LIBERTY MOBILE PUERTO RICO INC. 8305 MAYAGUEZ PR
787-653 LIBERTY MOBILE PUERTO RICO INC. 8305 CAGUAS PR
787-654 LIBERTY MOBILE PUERTO RICO INC. 8305 VEGA BAJA PR
787-655 LIBERTY MOBILE PUERTO RICO INC. 8305 FAJARDO PR

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.