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.

OCN: 6630 USA MOBILITY WIRELESS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
310-723 A Compton: Gardena DA CA LSANCARCCMC  730      
310-731 A Compton: Compton DA CA LSANCARCCMC  730      
310-790 A Santa Monica: Santa Monica DA CA LSANCARC8KD  730      
310-805 A Compton: Gardena DA CA LSANCARCCMC  730      
310-810 A Compton: Gardena DA CA LSANCARC5KD  730     2020-07-20 
310-875 A Santa Monica: Santa Monica DA CA LSANCARCCMC  730      
310-932 A Lakewood CA LSANCARC5KD  730      
310-960 A Compton: Gardena DA CA LSANCARCCMC  730      
310-992 A Santa Monica: Santa Monica DA CA LSANCARCCMC  730      
312-249 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-250 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-271 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-272 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-289 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-290 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-295 A La Grange IL BURGILAJCM0  358      
312-299 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-349 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-359 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-365 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-367 A La Grange IL BURGILAJCM0  358      
312-370 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-378 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-387 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-389 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-398 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-418 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-426 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-484 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-490 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-495 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-512 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-562 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-571 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-657 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-677 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-680 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-688 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-717 A La Grange IL BURGILAJCM0  358      
312-748 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-830 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-851 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-891 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-901 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-910 A Chicago Zone 01-Calumet IL BURGILAJCM1  358      
312-941 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
312-963 A Chicago Zone 01-Wabash IL BURGILAJCM1  358      
313-210 A Detroit Zone 5 MI SFLDMICTCM2  340      
313-219 A Detroit Zone 5 MI SFLDMICTCM2  340      
313-238 A Detroit Zone 5 MI SFLDMICTCM2  340      

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Last updated: Sun, 31 May 2020 11:59:01 UTC

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