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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-990 A Boston MA BSTPMALLMMD  139F WORLDCALL INTERCONNECT INC. 128      
857-990 0 Boston MA BSTPMALLMMD  139F WORLDCALL INTERCONNECT INC. 128      
857-990 1 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-990 2 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-990 3 Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-990 4 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-990 5 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
857-990 6 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-990 7 Boston MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-990 8 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
857-990 9 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

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