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
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 787-881 | PUERTO RICO TEL. CO. | 3201 | SANTANA | PR | |
| 787-882 | PUERTO RICO TEL. CO. | 3201 | AGUADILLA | PR | |
| 787-883 | PUERTO RICO TEL. CO. | 3201 | VEGA ALTA | PR | |
| 787-884 | PUERTO RICO TEL. CO. | 3201 | MANATI | PR | |
| 787-885 | PUERTO RICO TEL. CO. | 3201 | ROOSEVLTRD | PR | |
| 787-886 | PUERTO RICO TEL. CO. | 3201 | CANOVANAS | PR | |
| 787-887 | PUERTO RICO TEL. CO. | 3201 | RIO GRANDE | PR | |
| 787-888 | PUERTO RICO TEL. CO. | 3201 | RIO GRANDE | PR | |
| 787-889 | PUERTO RICO TEL. CO. | 3201 | LUQUILLO | PR | |
| 787-890 | PUERTO RICO TEL. CO. | 3201 | RAMEY | PR | |
| 787-891 | PUERTO RICO TEL. CO. | 3201 | AGUADILLA | PR | |
| 787-892 | PUERTO RICO TEL. CO. | 3201 | SAN GERMAN | PR | |
| 787-893 | PUERTO RICO TEL. CO. | 3201 | YABUCOA | PR | |
| 787-894 | PUERTO RICO TEL. CO. | 3201 | UTUADO | PR | |
| 787-895 | PUERTO RICO TEL. CO. | 3201 | QUEBRADLLS | PR | |
| 787-896 | PUERTO RICO TEL. CO. | 3201 | SANSBSTIAN | PR | |
| 787-897 | PUERTO RICO TEL. CO. | 3201 | LARES | PR | |
| 787-898 | PUERTO RICO TEL. CO. | 3201 | CAMUY | PR | |
| 787-899 | PUERTO RICO TEL. CO. | 3201 | LAJAS | PR | |
| 787-903 | LIBERTY MOBILE PUERTO RICO INC. | 639J | TRUJILLOAL | PR | |
| 787-906 | METROPCS, INC. | 5562 | BAYAMONNOR | PR | |
| 787-908 | LIBERTY MOBILE PUERTO RICO INC. | 639J | BAYAMONSUR | PR | |
| 787-910 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | TRUJILLOAL | PR | |
| 787-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | PR | |
| 787-912 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | LASPIEDRAS | PR | |
| 787-915 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | VEGA ALTA | PR | |
| 787-917 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | CIALES | PR | |
| 787-918 | LIBERTY MOBILE PUERTO RICO INC. | 639J | RIOPIEDRAS | PR | |
| 787-922 | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR | |
| 787-924 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | AGUASBUNAS | PR | |
| 787-925 | LIBERTY MOBILE PUERTO RICO INC. | 639J | RIOPIEDRAS | PR | |
| 787-926 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | SANSBSTIAN | PR | |
| 787-927 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | GUAYANILLA | PR | |
| 787-928 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | PENUELAS | PR | |
| 787-930 | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR | |
| 787-933 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | UTUADO | PR | |
| 787-934 | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR | |
| 787-935 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | HORMIGUERO | PR | |
| 787-937 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | SANLORENZO | PR | |
| 787-938 | LIBERTY MOBILE PUERTO RICO INC. | 639J | SANTURCE | PR | |
| 787-940 | LIBERTY MOBILE PUERTO RICO INC. | 639J | SANTURCE | PR | |
| 787-941 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | TRUJILLOAL | PR | |
| 787-943 | PUERTO RICO TELCO DBA CLARO PUERTO RICO | 4823 | TRUJILLOAL | PR | |
| 787-944 | LIBERTY MOBILE PUERTO RICO INC. | 639J | SANTURCE | PR | |
| 787-946 | LIBERTY MOBILE PUERTO RICO INC. | 639J | SANTURCE | PR | |
| 787-947 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | BARRANQUTS | PR | |
| 787-949 | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR | |
| 787-950 | PR | ||||
| 787-952 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | CULEBRA | PR | |
| 787-953 | LIBERTY MOBILE PUERTO RICO INC. | 8305 | YABUCOA | 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.