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.
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OCN: 700J WAVENATION, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-867 A Billings MT   650      
406-867 5 Billings MT   650   2026-02-03   
409-368 A Beaumont TX   562   2025-09-12   
409-368 0 Beaumont TX   562   2025-09-12   
412-898 A Pittsburgh Zone 1 PA   234   2026-02-08   
412-898 0 Pittsburgh Zone 1 PA   234   2026-02-08   
413-602 A Springfield MA   126   2026-01-22   
413-602 0 Springfield MA   126   2026-01-22   
414-528 A Milwaukee Zone 1 WI   356   2026-02-16   
414-528 0 Milwaukee Zone 1 WI   356   2026-02-16   
417-558 A Springfield MO   522   2026-01-30   
417-558 0 Springfield MO   522   2026-01-30   
419-745 A Toledo OH   326      
419-745 0 Toledo OH   326   2025-09-29   
423-978 A Chattanooga TN   472   2025-09-06   
423-978 0 Chattanooga TN   472   2025-09-06   
423-981 A Johnson City TN   956   2025-09-06   
423-981 0 Johnson City TN   956   2025-09-06   
430-390 A Longview TX   554   2025-09-11   
430-390 0 Longview TX   554   2025-09-11   
432-228 A Midland TX   542   2025-09-11   
432-228 0 Midland TX   542   2025-09-11   
434-451 A Lynchburg VA   250   2026-02-16   
434-451 0 Lynchburg VA   250   2026-02-16   
434-452 A Charlottesville VA   928   2026-02-16   
434-452 0 Charlottesville VA   928   2026-02-16   
442-490 A Palm Springs CA   973   2025-09-25   
442-490 0 Palm Springs CA   973   2025-09-25   
445-331 A Philadelphia Zone 1 PA   228   2025-09-20   
445-331 0 Philadelphia Zone 1 PA   228   2025-09-20   
447-316 A Quincy IL   376   2025-09-18   
447-316 0 Quincy IL   376   2025-09-18   
447-318 A Champaign-Urbana IL   370   2025-09-18   
447-318 0 Champaign-Urbana IL   370   2025-09-18   
447-319 A Springfield IL   374   2025-09-18   
447-319 0 Springfield IL   374   2025-09-18   
448-252 A Panama City FL   45009   2026-01-23   
448-252 0 Panama City FL   45009   2026-01-23   
448-253 A Pensacola FL   44813   2026-01-23   
448-253 0 Pensacola FL   44813   2026-01-23   
448-254 A Tallahassee FL   953   2026-01-23   
448-254 0 Tallahassee FL   953   2026-01-23   
458-339 A Eugene OR   670      
458-339 0 Eugene OR   670   2026-03-26   
463-335 A Indianapolis IN   336   2026-01-30   
463-335 0 Indianapolis IN   336   2026-01-30   
472-279 A Fayetteville NC   949   2026-02-06   
472-279 0 Fayetteville NC   949   2026-02-06   
472-281 A Wilmington NC   428   2026-02-06   
472-281 0 Wilmington NC   428   2026-02-06   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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