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: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 416

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-416 A Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 0 Issaquah WA STTLWAZUCM3  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-11-09   
425-416 1 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 2 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 3 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 4 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 5 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 6 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 7 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 8 Issaquah WA STTLWA06DS9  7421 AT&T - LOCAL 674      
425-416 9 Issaquah WA ISQHWAEXDS0  9638 QWEST CORPORATION 674   2015-09-17   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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