Local Calling Guide

Area code/prefix search

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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-378 A Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-378 0 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-378 1 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-378 2 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-378 3 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-378 4 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-378 5 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-378 6 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      
617-378 7 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-378 8 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-378 9 Boston MA BSTNMACODS2  7135 TC SYSTEMS, INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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