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: PHNXAZMADS4

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
602-420 9 Phoenix AZ 9636 QWEST CORPORATION 666      
602-440 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-452 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-462 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-495 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-496 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-498 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-506 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-514 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-519 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-521 3 Phoenix AZ 9636 QWEST CORPORATION 666      
602-521 4 Phoenix AZ 9636 QWEST CORPORATION 666      
602-521 5 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 0 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 2 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 3 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 4 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 5 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 6 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 7 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 8 Phoenix AZ 9636 QWEST CORPORATION 666      
602-523 9 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 0 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 1 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 2 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 3 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 4 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 5 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 6 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 7 Phoenix AZ 9636 QWEST CORPORATION 666      
602-528 8 Phoenix AZ 9636 QWEST CORPORATION 666      
602-533 0 Phoenix AZ 9636 QWEST CORPORATION 666      
602-534 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-537 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-542 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-590 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-593 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-594 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 1 Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 2 Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 3 Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 4 Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 5 Phoenix AZ 9636 QWEST CORPORATION 666      
602-597 7 Phoenix AZ 9636 QWEST CORPORATION 666      
602-608 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-652 7 Phoenix AZ 9636 QWEST CORPORATION 666      
602-701 A Phoenix AZ 9636 QWEST CORPORATION 666      

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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