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: HRLDMOXADS0

Remotes:

Switch Switch name Switch type
EWNGMO01RL1  EWING  1RE 
LBLLMO01RL0  LABELLE  1RE 
LWTWMO01RL2  LEWISTOWN  1RE 
PHLAMOXARS0  PHILADELPHIA  G15 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
660-278 A Steffenville MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-284 A Bethel MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-323 A Brashear MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-423 A Hurdland MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-434 A Knox City MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 A Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 1 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 2 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 3 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 4 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 5 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 6 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 7 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 8 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-479 9 Wyaconda MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-733 A Newark MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-739 A Novelty MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-762 A Leonard MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-892 A Baring MO 1914 MARK TWAIN RURAL TEL. CO. 524      
660-949 A Greentop MO 1914 MARK TWAIN RURAL TEL. CO. 524      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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