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: PSFLIDXXDS1

Remotes:

Switch Switch name Switch type
FRFDWAXARS2  FAIRFIELD  RSS 
FRTNWAXXRS1  FARMINGTON  1RC 
LATHWAXARS1  LATAH  1RC 
MLDNWAXARS1  MALDEN  1RC 
OKDLWAXXRS2  OAKESDALE  1RC 
RCFRWAXBRS0  ROCKFORD  RSS 
ROSLWAXARS3  ROSALIA  RSS 
TEKOWAXXRS0  TEKOA  RSS 
THTNWAXARS1  THORNTON  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-274 A Bluebell ID 4321 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
208-274 2 Bluebell ID 4321 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      

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

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