Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 564 [Rate centres in NPA 564] [Dial plan for NPA 564]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
564-999 4 Olympia WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2019-04-29   
564-999 5 Olympia WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2019-04-23   
564-999 6 Olympia WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-08-06   
564-999 7 Olympia WA OLYMWA022MD  6529 T-MOBILE USA, INC. 674   2019-08-09   
564-999 8 Olympia WA OLYMWA022MD  6529 T-MOBILE USA, INC. 674   2019-04-23   
564-999 9 Olympia WA   145J TERRA NOVA TELECOM INC. 674   2019-04-22   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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