Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 351 [Rate centres in NPA 351] [Dial plan for NPA 351]

NXX: 226

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-226 A Westford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2021-12-19   
351-226 2 Westford MA   516J TON80 COMMUNICATIONS LLC 128   2022-04-01   
351-226 5 Westford MA   624H ONVOY SPECTRUM, LLC 128   2022-01-16   
351-226 6 Westford MA   624H ONVOY SPECTRUM, LLC 128   2022-01-16   
351-226 9 Westford MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2021-12-19   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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