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: EURKMO53RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-587 A Eureka MO 9533 SOUTHWESTERN BELL 520      
636-587 1 Eureka MO 9533 SOUTHWESTERN BELL 520      
636-587 2 Eureka MO 9533 SOUTHWESTERN BELL 520      
636-587 3 Eureka MO 9533 SOUTHWESTERN BELL 520      
636-587 9 Eureka MO 9533 SOUTHWESTERN BELL 520      
636-938 A Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 1 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 2 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 3 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 4 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 5 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 6 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 7 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-938 9 Eureka MCA4 MO 9533 SOUTHWESTERN BELL 520      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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