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.

Casa Grande, AZ

1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-208 A PHNXAZMAXMY  4360 GLOBAL CROSSING LOCAL SERVICES, INC. - AZ 666      
520-208 0 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2005-06-10   
520-208 1 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2005-12-05   
520-208 2 PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-208 3 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2005-08-25   
520-208 4 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-02-23   
520-208 5 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-04-06   
520-208 6 PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2006-06-02   
520-208 7 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2010-02-22   
520-208 8 PHNXAZMAXMY  4360 GLOBAL CROSSING LOCAL SERVICES, INC. - AZ 666      
520-208 9 PHNXAZMAXMY  4360 GLOBAL CROSSING LOCAL SERVICES, INC. - AZ 666      
520-213 A TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-213 0 TEMPAZNR7MD  5562 METROPCS, INC. 666   2013-11-15   
520-213 1 TEMPAZNR7MD  5562 METROPCS, INC. 666   2014-08-22   
520-213 2 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2014-06-29   
520-213 3 PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2013-11-15   
520-213 4 PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2014-09-06   
520-213 5 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2014-04-13   
520-213 6 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2014-02-24   
520-213 7 PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2014-02-12   
520-213 8 PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2014-12-30   
520-213 9 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2013-08-23   
520-217 A MRCPAZMADS0  9636 QWEST CORPORATION 666      
520-217 0 TEMPAZNR7MD  5562 METROPCS, INC. 666   2016-03-19   
520-217 1 PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2016-04-22   
520-217 2 PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2016-04-22   
520-217 3 MRCPAZMADS0  9636 QWEST CORPORATION 666   2016-01-28   
520-217 4 MRCPAZMADS0  9636 QWEST CORPORATION 666   2024-03-21   
520-217 5 MRCPAZMADS0  9636 QWEST CORPORATION 666   2024-03-21   
520-217 6 TEMPAZNR7MD  5562 METROPCS, INC. 666   2017-05-01   
520-217 7 PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2016-02-26   
520-217 8 PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2016-02-26   
520-217 9 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2016-04-29   
520-233 A PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-233 0 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-08-14   
520-233 1 PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-11-04   
520-233 2 MRCPAZMADS0  9636 QWEST CORPORATION 666   2006-11-14   
520-233 3 PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2007-02-02   
520-233 4 PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2007-02-02   
520-233 5 PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2017-12-29   
520-233 6 PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2006-11-20   
520-233 7 PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2007-05-25   
520-233 8 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-12-14   
520-233 9 PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-12-09   
520-251 A TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-251 0 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-251 1 TEMPAZNR7MD  5562 METROPCS, INC. 666      
520-251 2 TEMPAZNR7MD  5562 METROPCS, INC. 666      
520-251 3 TEMPAZNR7MD  5562 METROPCS, INC. 666      
520-251 4 TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2015-12-18   

1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.