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: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-509 A Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 0 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 1 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 2 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 3 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 4 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 5 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 6 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 7 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 8 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
203-509 9 Waterbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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