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
312-367 A La Grange IL NPVMILQACM0  358      
312-370 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-378 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-387 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-389 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-398 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-418 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-426 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-484 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-490 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-495 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-512 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-562 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-571 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-657 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-677 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-680 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-688 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-717 A La Grange IL NPVMILQACM0  358      
312-748 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-830 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-851 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-891 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-901 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-910 A Chicago Zone 01-Calumet IL NPVMILQACM0  358      
312-941 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
312-963 A Chicago Zone 01-Wabash IL NPVMILQACM0  358      
313-210 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-219 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-238 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-239 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-250 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-276 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-280 A Detroit Zone 1 MI TROYMIMNXPX  340      
313-321 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-328 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-376 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-440 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-630 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-767 A Detroit Zone 6 MI TROYMIMNXPX  340      
313-940 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-958 A Detroit Zone 5 MI TROYMIMNXPX  340      
313-984 A Detroit Zone 5 MI TROYMIMNXPX  340      
314-204 A St Louis MO STLSMO05X7X  520      
314-245 A St Louis MO STLSMO05X7X  520      
314-318 A St Louis MO STLSMO05X7X  520      
314-404 A Ladue MO STLSMO05X7X  520      
314-430 A St Louis MO STLSMO05X7X  520      
314-460 A St Louis MO STLSMO05X7X  520      
314-507 A Ladue MO STLSMO05X7X  520      

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Last updated: Sun, 17 Oct 2021 19:41:42 UTC

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