Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: NRWCNYXAMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
607-371 A Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138      
607-371 1 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138      
607-371 2 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138      
607-371 6 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138      
607-371 9 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138   2025-02-28   
607-405 A Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138      
607-405 7 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138   2022-07-14   
607-405 8 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138   2022-07-14   
607-405 9 Norwich NY 6622 OMNIPOINT COMMUNICATIONS, INC. - NY 138   2021-07-30   
607-888 4 Norwich NY 5562 METROPCS, INC. 138   2021-06-06   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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