Local Calling Guide

Area code/prefix search

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NPA: 234 [Rate centres in NPA 234] [Dial plan for NPA 234]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
234-639 A Youngstown OH YNTWOH74XAX  883K AHOI LLC 322   2026-07-25   
234-639 1 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2026-08-28   
234-639 2 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2026-08-28   
234-639 3 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2026-08-28   
234-639 4 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2026-08-28   
234-639 5 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2026-08-28   
234-639 6 Youngstown OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 322   2026-08-28   
234-639 7 Youngstown OH YNTWOH74XAX  883K AHOI LLC 322   2026-07-25   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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