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: 623 [Rate centres in NPA 623] [Dial plan for NPA 623]

Block: A

1 2 3 4 5 6 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-200 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-201 A Phoenix AZ PHNAAZ55DS0  4793 XO ARIZONA, INC. 666      
623-202 A Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-203 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-204 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-205 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-206 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-207 A Phoenix AZ GDYRAZCWDS0  9636 QWEST CORPORATION 666      
623-208 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-209 A Phoenix AZ PHNZAZ87PS0  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 666   2021-01-20   
623-210 A Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-212 A Phoenix AZ PHNMAZKH0MD  6906 AMERICAN MESSAGING SERVICES, LLC 666      
623-213 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-214 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-215 A Phoenix AZ PHNDAZLSDS0  7184 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ 666      
623-216 A Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-217 A Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-218 A Phoenix AZ PHNAAZ55DS0  4793 XO ARIZONA, INC. 666      
623-219 A Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-221 A Phoenix AZ   6529 T-MOBILE USA, INC. 666      
623-222 A Phoenix AZ BRDSAZMADS0  9636 QWEST CORPORATION 666      
623-223 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-224 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-225 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-226 A Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-227 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-228 A Phoenix AZ PHNXAZMAX3X  7421 AT&T - LOCAL 666      
623-229 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-230 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-231 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-232 A Phoenix AZ AGFIAZSRDS0  9636 QWEST CORPORATION 666      
623-233 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-234 A Phoenix AZ DRVYAZNODS0  9636 QWEST CORPORATION 666      
623-235 A Phoenix AZ GLDLAZMADS0  9636 QWEST CORPORATION 666      
623-236 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-237 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-238 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-239 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
623-240 A Phoenix AZ PHNAAZ55DS1  4793 XO ARIZONA, INC. 666      
623-241 A Phoenix AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
623-242 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-243 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-244 A Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-245 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-246 A Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
623-247 A Phoenix AZ PHNXAZMYDS0  9636 QWEST CORPORATION 666      
623-248 A Phoenix AZ TLSNAZMADS0  9636 QWEST CORPORATION 666      
623-249 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      
623-250 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
623-251 A Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666      

1 2 3 4 5 6 >>

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.