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.

NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

Block: A

<< 1 2 3 4 5 6 7 8 9

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-926 A Harvester MCA4 MO HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-928 A Harvester MCA4 MO HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-931 A Festus-Crystal City MCA5 MO FSTSMOYEDS0  9533 SOUTHWESTERN BELL 520      
636-932 A Holstein MO HOLSMOXARS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-933 A Festus-Crystal City MO FSTSMOYEDS0  9533 SOUTHWESTERN BELL 520      
636-936 A Harvester MCA4 MO HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-937 A Festus-Crystal City MO FSTSMOYEDS0  9533 SOUTHWESTERN BELL 520      
636-938 A Eureka MCA4 MO EURKMO53RS0  9533 SOUTHWESTERN BELL 520      
636-939 A Harvester MCA4 MO HVTRMO67DSA  9533 SOUTHWESTERN BELL 520      
636-940 A St Charles MCA3 MO STCHMO63DSA  9533 SOUTHWESTERN BELL 520      
636-942 A Antonia MCA4 MO ANTOMO50RS2  9533 SOUTHWESTERN BELL 520      
636-944 A Ware MO WAREMOWHRS0  9533 SOUTHWESTERN BELL 520      
636-946 A St Charles MCA3 MO STCHMO63DSA  9533 SOUTHWESTERN BELL 520      
636-947 A St Charles MCA3 MO STCHMO63DSA  9533 SOUTHWESTERN BELL 520      
636-948 A Antonia MO ANTOMO50RS2  9533 SOUTHWESTERN BELL 520      
636-949 A St Charles MCA3 MO STCHMO63DSA  9533 SOUTHWESTERN BELL 520      
636-970 A St Peters MCA4 MO STPRMOXADS1  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-978 A O'Fallon MCA4 MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-980 A O'Fallon MO OFLNMOXADS0  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-987 A Defiance MO DFNCMOXARS2  9787 CENTURYTEL MISSOURI LLC (SOUTHWEST)DBA CENTURYLINK 520      
636-999 A Pacific MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      

<< 1 2 3 4 5 6 7 8 9

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.