Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 647

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-647 A Milford CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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