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.

OCN: 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
518-239 3 Oak Hill NY MDLBNYXADS1  134   2018-07-05   
518-279 8 Troy NY MDLBNYXADS1  134   2018-11-29   
518-517 A Cobleskill NY MDLBNYXADS1  134      
518-517 1 Cobleskill NY MDLBNYXADS1  134   2015-06-23   
518-519 5 Richmondville NY MDLBNYXADS1  134   2017-08-21   
518-787 8 Ravena NY MDLBNYXADS1  134   2018-04-24   
518-797 2 Westerlo NY MDLBNYXADS1  134   2018-02-21   
518-818 5 Albany NY MDLBNYXADS1  134   2017-02-22   
518-830 3 Berne NY MDLBNYXADS1  134   2018-06-01   
518-868 8 Central Bridge NY MDLBNYXADS1  134   2019-07-07   
518-914 1 Schenectady NY MDLBNYXADS1  134   2019-12-21   
607-397 6 Worcester NY BNGHNYHYX1Y  138   2018-07-13   
607-424 8 Grand Gorge NY BNGHNYHYX1Y  138   2018-07-13   
607-433 7 Oneonta NY BNGHNYHYX1Y  138   2020-05-11   
607-652 0 Stamford NY BNGHNYHYX1Y  138   2018-07-13   
607-891 A Cooperstown NY BNGHNYHYX1Y  138      
607-891 0 Cooperstown NY BNGHNYHYX1Y  138   2018-07-02   
838-529 2 Fonda NY MDLBNYXADS1  134   2022-09-03   
838-639 1 Delanson NY MDLBNYXADS1  134   2020-06-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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