NumberResearchRecent prefix assignments
5 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 708-913 | T-MOBILE USA, INC. | 6529 | HARVEY | IL | |
| 708-955 | T-MOBILE USA, INC. | 6529 | LA GRANGE | IL | |
| 712-204 | T-MOBILE USA, INC. | 6529 | SIOUX CITY | IA | |
| 712-301 | T-MOBILE USA, INC. | 6529 | SIOUX CITY | IA | |
| 712-626 | T-MOBILE USA, INC. | 6529 | PRIMGHAR | IA | |
| 714-200 | T-MOBILE USA, INC. | 6529 | SANTA ANA | CA | |
| 714-209 | T-MOBILE USA, INC. | 6529 | CYPRESS | CA | |
| 714-225 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-232 | T-MOBILE USA, INC. | 6529 | BUENA PARK | CA | |
| 714-234 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-261 | T-MOBILE USA, INC. | 6529 | YORBALINDA | CA | |
| 714-331 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-333 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-348 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-360 | T-MOBILE USA, INC. | 6529 | SANTA ANA | CA | |
| 714-381 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-396 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-404 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-464 | T-MOBILE USA, INC. | 6529 | ORANGE | CA | |
| 714-618 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-622 | T-MOBILE USA, INC. | 6529 | WESTMINSTR | CA | |
| 714-653 | T-MOBILE USA, INC. | 6529 | WESTMINSTR | CA | |
| 714-707 | T-MOBILE USA, INC. | 6529 | SILVERADO | CA | |
| 714-723 | T-MOBILE USA, INC. | 6529 | CYPRESS | CA | |
| 714-766 | T-MOBILE USA, INC. | 6529 | WESTMINSTR | CA | |
| 714-787 | T-MOBILE USA, INC. | 6529 | ORANGE | CA | |
| 714-860 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-902 | T-MOBILE USA, INC. | 6529 | WESTMINSTR | CA | |
| 714-936 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 714-981 | T-MOBILE USA, INC. | 6529 | ANAHEIM | CA | |
| 715-252 | T-MOBILE USA, INC. | 6529 | STEVENS PT | WI | |
| 719-200 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-201 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-210 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-233 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-240 | T-MOBILE USA, INC. | 6529 | PUEBLO | CO | |
| 719-243 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-271 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-287 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-290 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-291 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-310 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-320 | T-MOBILE USA, INC. | 6529 | PUEBLO | CO | |
| 719-321 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-360 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-407 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-459 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-460 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-491 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO | |
| 719-492 | T-MOBILE USA, INC. | 6529 | COLORDOSPG | CO |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.