Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 9748 AMERICAN MESSAGING SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
312-232 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-323 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-333 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-390 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-393 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-400 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-449 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-452 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-457 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-514 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-679 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-689 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-713 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-740 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-760 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-839 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-903 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
312-916 A Chicago Zone 01-Wabash IL CHCGILBWCM2  358      
313-201 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-260 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-301 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-325 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-339 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-430 A Detroit Zone 1 MI CMPTMIIFCM0  340      
313-501 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-503 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-601 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-606 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-609 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-620 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-660 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-684 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-691 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-705 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-709 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-714 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-754 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-793 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-795 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-796 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-803 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-813 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-814 A Detroit Zone 4 MI CMPTMIIFCM0  340      
313-840 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-851 A Detroit Zone 6 MI CMPTMIIFCM0  340      
313-990 A Detroit Zone 5 MI CMPTMIIFCM0  340      
314-294 A Ladue MO STLSMO05XKX  520      
314-360 A Ladue MO STLSMO05XKX  520      
314-407 A Ladue MO STLSMO05XKX  520      
314-419 A Ladue MO STLSMO05XKX  520      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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