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: MDLBNYXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
518-239 3 Oak Hill NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2018-07-05   
518-279 8 Troy NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2018-11-29   
518-517 A Cobleskill NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134      
518-517 1 Cobleskill NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2015-06-23   
518-519 5 Richmondville NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2017-08-21   
518-787 8 Ravena NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2018-04-24   
518-797 2 Westerlo NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2018-02-21   
518-818 5 Albany NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2017-02-22   
518-830 3 Berne NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2018-06-01   
518-868 8 Central Bridge NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2019-07-07   
518-914 1 Schenectady NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2019-12-21   
838-529 2 Fonda NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2022-09-03   
838-639 1 Delanson NY 506H SEAMLESS GEOPORT COMM DBA MIDDLEBURGH TELEPHONE LD 134   2020-06-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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