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.

NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-252 A Casa Grande AZ PHNZAZNNBMD  6664 SPRINT SPECTRUM L.P. 666      
520-253 A Willcox AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-254 A Willcox AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-255 A Sierra Vista AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-256 A Tucson AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-257 A Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-258 A Tucson AZ TCSNAZRNDS0  9636 QWEST CORPORATION 668      
520-259 A Tucson AZ TCSNAZQKDS0  8293 NORTH COUNTY COMMUNICATIONS CORP. 668      
520-260 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-261 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-262 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-263 A Sierra Vista AZ TCSNAZMAHGH  7078 COX ARIZONA TELCOM, INC. - AZ 668      
520-264 A Nogales AZ TCSNAZMATMD  7421 AT&T LOCAL 668      
520-265 A Benson AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-266 A Sierra Vista AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-267 A Sierra Vista AZ TCSNAZQKDS0  8293 NORTH COUNTY COMMUNICATIONS CORP. 668      
520-268 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-269 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-270 A Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-271 A Tucson AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-272 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-273 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-274 A Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-275 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-276 A Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668      
520-277 A Whitlow AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-278 A Tucson AZ TCSMAZOI4MD  5562 METRO PCS, INC. 668      
520-279 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-280 A Casa Grande AZ PHNZAZNNBMD  6664 SPRINT SPECTRUM L.P. 666      
520-281 A Nogales AZ NGLSAZMWDS0  9636 QWEST CORPORATION 668      
520-282 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-283 A Tucson AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-284 A Tucson AZ TCSNAZMAIMD  4793 XO ARIZONA, INC. 668      
520-285 A Nogales AZ NGLSAZMARS1  9636 QWEST CORPORATION 668      
520-286 A Tucson AZ TCSNAZMAX3X  6664 SPRINT SPECTRUM L.P. 668      
520-287 A Nogales AZ NGLSAZMARS1  9636 QWEST CORPORATION 668      
520-288 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      
520-289 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-290 A Tucson AZ TCSNAZRNDS0  9636 QWEST CORPORATION 668      
520-291 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-292 A Tucson AZ TCSNAZFWDS0  9636 QWEST CORPORATION 668      
520-293 A Tucson AZ TCSNAZFWDS0  9636 QWEST CORPORATION 668      
520-294 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-295 A Tucson AZ TCSNAZSODS0  9636 QWEST CORPORATION 668      
520-296 A Tucson AZ TCSNAZRNDS0  9636 QWEST CORPORATION 668      
520-297 A Tucson AZ TCSNAZNODS0  9636 QWEST CORPORATION 668      
520-298 A Tucson AZ TCSNAZRNDS0  9636 QWEST CORPORATION 668      
520-299 A Tucson AZ TCSNAZCADS0  9636 QWEST CORPORATION 668      
520-300 A Tucson AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-301 A Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668      

<< 1 2 3 4 5 6 7 8 9 10 11 12 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.