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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: MTVRWAXXPS0

Remotes:

Switch Switch name Switch type
CNCRWAXXRP0  CONCRETE  TA5 
MRBLWAXXRP0  MARBLE MOUNT  TA5 
SUMSWAXXRP0  SUMAS  TA5 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-755 A Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674   2024-02-14   
360-755 0 Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-755 1 Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-755 2 Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-755 4 Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-755 5 Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-755 9 Mount Vernon WA 4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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