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: MONNIAXODS1

Remotes:

Switch Switch name Switch type
FMBGIAXORS6  FARMERSBURG  V35 
ORANIAXORS0  FAIRBANK  RS 
PTVLIA07RS0  POSTVILLE  V35 
STOLIA01RS0  ST OLAF  V35 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-224 5 Maynard IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2019-11-27   
563-238 6 Lawler IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2020-08-31   
563-290 A Waucoma IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635      
563-290 3 Waucoma IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2020-09-04   
563-297 3 Arlington IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2020-09-11   
563-337 A Fayette IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635      
563-337 3 Fayette IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2019-08-02   
563-339 5 Sumner IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2019-11-27   
563-427 A Hawkeye IA 1199 HAWKEYE TEL. CO. 635      
563-428 2 Randalia IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2023-07-10   
563-429 6 Alpha IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2023-07-10   
563-539 A Monona IA 1230 NORTHEAST IOWA TEL. CO. 635      
563-778 3 St Lucas IA 429J HAWKEYE INTERCONNECT COMPANY - IA 635   2020-08-31   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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