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.
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Switch: MTPSILXCDS0

Remotes:

Switch Switch name Switch type
CHSTILXCRS0  CHESTNUT  DC1 
LTHMILXCRS0  LATHAM  DC1 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-580 A Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-580 0 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-580 1 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-580 2 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-580 7 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-580 8 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-580 9 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 A Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 0 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 1 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 2 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 3 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 4 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 5 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 7 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 8 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      
217-792 9 Mount Pulaski IL 1061 FRONTIER COMMUNICATIONS OF MT. PULASKI, INC. 374      

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

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