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: PITFPA01DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-200 1 Pittsburgh Suburban Zone 14 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-203 0 Pittsburgh Suburban Zone 15 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-204 4 Pittsburgh Zone 8 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-206 3 Pittsburgh Suburban Zone 13 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-250 5 Pittsburgh Zone 7 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-256 7 Pittsburgh Zone 4 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-265 0 Pittsburgh Suburban Zone 20 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-267 4 Pittsburgh Suburban Zone 10 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-283 2 Pittsburgh Suburban Zone 12 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-326 3 Pittsburgh Zone 5 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-348 7 Pittsburgh Suburban Zone 17 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-356 0 Pittsburgh Suburban Zone 16 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-379 1 Pittsburgh Zone 6 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-386 1 Pittsburgh Suburban Zone 11 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-408 1 Pittsburgh Zone 3 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-453 0 Pittsburgh Suburban Zone 18 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-465 8 Pittsburgh Suburban Zone 10 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2012-07-15   
412-533 0 Clairton PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-553 0 Pittsburgh Zone 1 PA 3806 CORE COMMUNICATIONS, INC. - PA 234      
412-744 0 Pittsburgh Suburban Zone 21 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
724-209 3 Avella PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-240 0 Ambridge PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-241 0 Baden PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-246 3 Republic PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-248 4 Black Lick PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-254 5 Clymer PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-270 0 Bessemer PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-271 1 Canonsburg PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-278 0 Donora PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-279 0 Fayette City PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-281 0 Finleyville (Washington) PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-291 0 Herminie PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-296 0 Jeannette PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-298 0 McDonald PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-340 1 Bolivar PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-343 0 Blairsville PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-345 1 Buffalo PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-364 0 Brownsville PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-369 0 Oakdale (Allegheny) PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-382 0 Pittsburgh Suburban Zone 23 PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-400 1 West Alexander PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-404 0 Youngwood PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-405 0 West Newton PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-421 1 Slippery Rock PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-432 0 Evans City PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-472 0 New Kensington PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-479 1 Homer City PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-486 0 Connoquenessing PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-490 0 Marion Center PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   
724-520 5 Latrobe PA 3806 CORE COMMUNICATIONS, INC. - PA 234   2004-05-01   

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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