Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-224 A Boston MA BSTNMAHADS9  9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 0 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 1 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 2 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 3 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 4 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 5 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 6 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 7 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 8 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   
857-224 9 Boston MA   9102 VERIZON NEW ENGLAND INC. 128   2010-02-07   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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