Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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New Haven, CT

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
475-837 6 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2021-03-10   
475-837 7 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2021-03-10   
475-837 8 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-03-21   
475-837 9 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-12   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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