Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 490J BOOST SUBSCRIBERCO L.L.C.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
571-630 4 Washington Zone 17 VA WASHDC12NMD  236   2024-05-01   
571-630 5 Washington Zone 17 VA WASHDC12NMD  236   2024-06-01   
571-630 6 Washington Zone 17 VA WASHDC12NMD  236   2024-07-07   
571-671 5 Engleside VA WASHDC12NMD  236   2024-05-07   
571-671 7 Engleside VA WASHDC12NMD  236   2024-08-30   
571-691 A Washington Zone 17 VA WASHDC12NMD  236   2024-12-26   
571-691 0 Washington Zone 17 VA WASHDC12NMD  236   2024-12-26   
571-691 1 Washington Zone 17 VA WASHDC12NMD  236   2025-09-29   
571-691 2 Washington Zone 17 VA WASHDC12NMD  236   2025-02-18   
571-691 3 Washington Zone 17 VA WASHDC12NMD  236   2025-02-18   
571-691 4 Washington Zone 17 VA WASHDC12NMD  236   2025-04-19   
571-717 6 Washington Zone 17 VA WASHDC12NMD  236   2025-10-27   
571-736 4 Washington Zone 17 VA WASHDC12NMD  236   2025-12-18   
571-736 6 Washington Zone 17 VA WASHDC12NMD  236   2026-01-26   
571-749 6 Washington Zone 17 VA WASHDC12NMD  236   2026-07-13   
572-212 5 Edmond OK OKCYOKCE07Z  536   2024-01-29   
572-223 4 Yukon OK OKCYOKCE07Z  536   2024-09-13   
572-227 A Mulhall OK OKCYOKCE07Z  536   2024-02-17   
572-227 0 Mulhall OK OKCYOKCE07Z  536   2024-02-17   
572-228 8 Oklahoma City OK OKCYOKCE07Z  536   2024-04-01   
572-228 9 Oklahoma City OK OKCYOKCE07Z  536   2024-07-01   
572-246 6 Oklahoma City OK OKCYOKCE07Z  536   2025-10-13   
572-246 7 Oklahoma City OK OKCYOKCE07Z  536   2025-07-16   
572-278 1 Oklahoma City OK OKCYOKCE07Z  536   2026-03-26   
572-278 2 Oklahoma City OK OKCYOKCE07Z  536   2026-07-22   
573-419 6 Chaffee MO STLSMOGZLMD  520   2023-05-29   
573-462 3 Jefferson City MO JFCYMOXA22Z  521   2023-08-07   
573-506 0 Tebbetts MO JFCYMOXA22Z  521   2023-08-07   
573-553 0 Westphalia MO JFCYMOXA22Z  521   2023-07-31   
573-799 1 Linn MO JFCYMOXA22Z  521   2023-08-07   
573-908 A Jackson MO STLSMOGZLMD  520      
573-908 9 Jackson MO STLSMOGZLMD  520   2023-07-03   
573-941 A Columbia MO JFCYMOXA22Z  521      
573-941 9 Columbia MO JFCYMOXA22Z  521   2023-09-01   
574-331 5 Bremen IN SBNDIN13NMD  332   2024-04-26   
574-348 0 Hamlet IN SBNDIN13NMD  332   2023-06-23   
574-355 2 Logansport IN IPLWIN75X6X  336   2023-07-16   
574-356 5 Nappanee IN SBNDIN13NMD  332   2023-11-18   
574-388 0 Lapaz IN SBNDIN13NMD  332   2023-05-28   
574-392 2 Goshen IN SBNDIN13NMD  332   2023-10-24   
574-395 0 South Bend IN SBNDIN13NMD  332   2023-05-28   
574-407 5 Goshen IN SBNDIN13NMD  332   2024-10-25   
574-407 6 Goshen IN SBNDIN13NMD  332   2026-03-22   
574-407 7 Goshen IN SBNDIN13NMD  332   2025-01-22   
574-407 8 Goshen IN SBNDIN13NMD  332   2025-03-23   
574-414 2 South Bend IN SBNDIN13NMD  332   2026-05-03   
574-414 3 South Bend IN SBNDIN13NMD  332   2026-07-15   
574-414 4 South Bend IN SBNDIN13NMD  332   2026-09-29   
574-521 9 Syracuse IN SBNDIN13NMD  332   2023-11-18   
574-666 3 South Bend IN SBNDIN13NMD  332   2024-10-10   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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