Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-504 A Springfield MA SPFDMAMADS1  7135 TC SYSTEMS, INC. 126      
413-504 0 Springfield MA   7135 TC SYSTEMS, INC. 126      
413-504 1 Springfield MA   7135 TC SYSTEMS, INC. 126      
413-504 2 Springfield MA   5562 METROPCS, INC. 126   2011-03-24   
413-504 3 Springfield MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 126   2009-07-21   
413-504 4 Springfield MA   7135 TC SYSTEMS, INC. 126      
413-504 5 Springfield MA   7135 TC SYSTEMS, INC. 126      
413-504 6 Springfield MA   7135 TC SYSTEMS, INC. 126      
413-504 7 Springfield MA   7135 TC SYSTEMS, INC. 126      
413-504 8 Springfield MA   5562 METROPCS, INC. 126   2011-03-24   
413-504 9 Springfield MA   5562 METROPCS, INC. 126   2011-03-24   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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