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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NPA: 448 [Rate centres in NPA 448] [Dial plan for NPA 448]

NXX: 338

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
448-338 A Panama City FL   321J HD CARRIER LLC 45009   2026-01-22   
448-338 6 Panama City FL   321J HD CARRIER LLC 45009   2026-01-22   
448-338 7 Panama City FL   321J HD CARRIER LLC 45009   2026-01-22   
448-338 8 Panama City FL   321J HD CARRIER LLC 45009   2026-01-22   
448-338 9 Panama City FL   321J HD CARRIER LLC 45009   2026-01-22   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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