Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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High Ridge MCA4, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-671 A HGRGMO57RS2  9533 SOUTHWESTERN BELL 520      
636-671 0 HGRGMO57RS2  9533 SOUTHWESTERN BELL 520      
636-671 1 HGRGMO57RS2  9533 SOUTHWESTERN BELL 520      
636-671 2 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-671 3 HGRGMO57RS2  9533 SOUTHWESTERN BELL 520      
636-671 4 STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-671 5 STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-671 6 HGRGMO57RS2  9533 SOUTHWESTERN BELL 520      
636-671 7 OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
636-671 8 HGRGMO57RS2  9533 SOUTHWESTERN BELL 520      
636-671 9 OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
636-677 A HGRGMO56RS2  9533 SOUTHWESTERN BELL 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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