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: CLLKIAXODS1

Remotes:

Switch Switch name Switch type
VNTRIAXORS8  VENTURA  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-355 A Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 0 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 1 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 2 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 4 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 5 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 6 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 7 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 8 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-355 9 Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      
641-357 A Clear Lake IA 1132 CLEAR LAKE INDEPENDENT TEL. CO. 632      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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