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: WGLNMTXCDS2

Remotes:

Switch Switch name Switch type
BAKRMTXCRS1  BAKER  DCO 
BLFDMTXCRS1  BLOOMFIELD  DCO 
CRCLMTXCRS1  CIRCLE  DCO 
CRLYMTXCRS1  CARLYLE  DCO 
EKLKMTXCRS1  EKALAKA  DCO 
FLLNMTXCRS1  FALLON  DCO 
FRVWMTMARS2  FAIRVIEW  DE4 
GLNDMTAJRS0  GLENDIVE  DE4 
JRDNMTXCRS1  JORDAN  DCO 
LMBRMTXCRS1  LAMBERT  DCO 
LNDSMTXCRS1  LINDSAY  DCO 
PLVNMTXCRS1  PLEVNA  DCO 
RCHYMTXCRS1  RICHEY  DCO 
RCSPMTXCRS1  ROCK SPRINGS  DCO 
SAVGMTXCRS1  SAVAGE  DCO 
SDNYMTAORS0  SIDNEY  DE4 
SWPNMTXCRS1  SOUTH WOLF POINT  DCO 
TRRYMTAARS0  TERRY  DE4 
WIBXMTAARS0  WIBAUX  DE4 
WSDNMTXCRS1  WEST SIDNEY  DCO 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-354 A Rock Springs MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-485 A Circle MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-486 A Fallon MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-525 A South Wolf Point MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-557 A Jordan MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-568 A Ryegate MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-575 A North Ryegate MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-583 A Bloomfield MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-584 A Lindsay MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-588 A Carlyle MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-635 A Terry MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-687 A West Glendive MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-772 A Plevna MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-773 A Richey MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-774 A Lambert MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-775 A Ekalaka MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-776 A Savage MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-778 A Baker MT 2246 MID-RIVERS TEL. COOP., INC. 650      
406-798 A West Sidney MT 2246 MID-RIVERS TEL. COOP., INC. 650      
701-688 A East Carlyle ND 2246 MID-RIVERS TEL. COOP., INC. 650      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.