Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SPFDMOTL02T

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-577 A Springfield MO 9533 SOUTHWESTERN BELL 522      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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