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: FTDDIAXCDS0

Remotes:

Switch Switch name Switch type
OTHOIAXORS0  OTHO  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-302 2 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632   2004-12-19   
515-573 A Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 1 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 2 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 3 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 4 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 5 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 6 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 7 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-573 8 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 A Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 0 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 1 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 2 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 3 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 4 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 5 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 6 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 7 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-574 8 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 0 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 1 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 2 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 3 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 5 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 6 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 7 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-576 8 Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      
515-955 A Fort Dodge IA 1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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