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.

Pomona, CA

1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
840-202 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 2 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-202 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 2 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 A COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2024-01-23   
840-226 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 2 COVNCAXFX3Y  649C ONVOY, LLC - CA 730      
840-226 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-226 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-230 A LSANCAJWMMD  490J DISH WIRELESS, LLC 730      
840-230 0 LSANCAJWMMD  490J DISH WIRELESS, LLC 730      
840-230 1 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-230 2 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-230 3 COVNCAXFX3Y  649C ONVOY, LLC - CA 730      
840-230 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-230 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-230 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-230 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-230 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-230 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 A RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-231 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 2 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-231 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-238 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 2 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 3 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 4 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 5 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 6 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 7 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-238 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-243 A RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-243 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-243 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-243 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-243 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-243 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-243 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-243 6   6529 T-MOBILE USA, INC. 730      
840-243 7   6529 T-MOBILE USA, INC. 730      
840-243 8 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-243 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
840-259 A   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-259 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-259 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-259 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-260 A   6529 T-MOBILE USA, INC. 730   2024-07-26   
840-260 0   649C ONVOY, LLC - CA 730      
840-260 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-260 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-260 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-260 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-260 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-260 6   6529 T-MOBILE USA, INC. 730      
840-260 7   6529 T-MOBILE USA, INC. 730      
840-260 8   6529 T-MOBILE USA, INC. 730      
840-260 9   6529 T-MOBILE USA, INC. 730      
840-264 A   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-11   

1 2 3 4 5 6 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.