Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Atascadero, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
820-998 7 SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2024-09-27   
820-998 8 SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2024-08-11   
820-998 9 SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2024-08-11   

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

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