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: HRRDSDXADS1

Remotes:

Switch Switch name Switch type
EURKSDXARS0  EUREKA  DLM 
GLHMSDXARS0  GLENHAM  DLM 
HSMRSDXARS0  HOSMER  DLM 
IPSWSDXARS0  IPSWICH  DLM 
LEOLSDXARS0  LEOLA  DLM 
LGLKSDXARS0  LONG LAKE  DLM 
MDCYSDXARS0  MOUND CITY  DLM 
PLLCSDXARS0  POLLOCK  DLM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-283 A Hosmer SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-284 A Eureka SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-426 A Ipswich SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-437 A Herreid SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-439 A Leola SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-577 A Long Lake SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-762 A Glenham SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-889 A Pollock SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      
605-955 A Mound City SD 1685 VALLEY TELECOM COOP. ASSN., INC. 640      

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

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