NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

33 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

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
NEW CINGULAR WIRELESS PCS, LLC - IL 33
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
2020-02-11 956-505 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BROWNSVL TX
2020-02-11 956-526 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DOLORES TX
2020-02-04 469-790 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2020-02-04 979-327 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ANGLETON TX
2020-01-24 254-369 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KILLEEN TX
2020-01-24 469-768 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FRISCO TX
2020-01-24 501-385 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOTSPRINGS AR
2020-01-24 870-646 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 IMBODEN AR
2020-01-22 806-706 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 VERBENA TX
2020-01-21 479-378 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GARFIELD AR
2020-01-21 681-287 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PRKRSBGZN1 WV
2020-01-17 331-257 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AURORA IL
2020-01-17 779-267 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JOLIET IL
2020-01-17 878-224 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FORD CITY PA
2020-01-17 947-216 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FARMINGTON MI
2020-01-16 234-267 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HIRAM OH
2020-01-15 346-418 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BAMMEL TX
2020-01-15 734-583 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BELLEVILLE MI
2020-01-14 870-604 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 JONESBORO AR
2020-01-10 469-755 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GRANDPRARI TX
2020-01-10 737-265 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KYLE TX
2020-01-09 346-417 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHANNELVW TX
2020-01-09 872-260 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN01 IL
2020-01-09 936-297 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MONTGOMERY TX
2019-12-24 314-208 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SAPPINGTON MO
2019-12-24 380-210 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 COLUMBUS OH
2019-12-24 380-212 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HILLIARD OH
2019-12-23 539-238 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BRISTOW OK
2019-12-19 217-977 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DANVILLE IL
2019-12-19 608-812 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARENA WI
2019-12-18 216-304 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CLEVELAND OH
2019-12-18 440-629 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHARDON OH
2019-12-13 737-263 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 AUSTIN TX
2019-12-12 872-257 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHICGOZN05 IL
2019-12-09 616-271 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CALEDONIA MI
2019-12-09 810-243 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FLINT MI
2019-12-06 563-298 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GUTTENBERG IA
2019-12-06 608-717 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NO FREEDOM WI
2019-11-27 956-482 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAREDO TX
2019-11-21 608-610 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LIME RIDGE WI
2019-11-18 913-368 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GARDNER KS
2019-11-15 507-270 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MANKATO MN
2019-11-12 469-750 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PLANO TX
2019-11-08 308-270 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KEARNEY NE
2019-11-04 870-771 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MARION AR
2019-10-18 469-748 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MCKINNEY TX
2019-10-17 956-479 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BROWNSVL TX
2019-10-15 314-671 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 KIRKWOOD MO
2019-10-11 479-368 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 FAYETTEVL AR
2019-10-08 682-299 NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GLENDALE TX

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.