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: 9748 AMERICAN MESSAGING SERVICES, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
305-658 A North Dade FL NDADFLGGDS0  46017      
305-659 A North Dade FL NDADFLGGDS0  46017      
305-660 A North Dade FL NDADFLGGDS0  46017      
305-678 A North Dade FL NDADFLGGDS0  46017      
305-719 A North Dade FL NDADFLGGDS0  46017      
305-983 A Miami FL MIAMFLNMDS0  46017      
309-528 A Bloomington IL BLTNILXDXNX  366      
310-269 A Santa Monica: Santa Monica DA CA LSANCARC80Z  730      
310-304 A Hawthorne CA LSANCARC80Z  730      
310-389 A Compton: Gardena DA CA LSANCARC80Z  730      
310-681 A Compton: Gardena DA CA LSANCARC80Z  730      
310-799 A Culver City CA LSANCARC80Z  730      
310-931 A Torrance CA LSANCARC80Z  730      
310-934 A Culver City CA LSANCARC80Z  730      
312-232 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-323 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-333 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-390 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-393 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-400 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-449 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-452 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-457 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-514 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-679 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-689 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-713 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-740 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-760 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-839 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-903 A Chicago Zone 01-Wabash IL CHCIILYACM0  358      
312-916 A Chicago Zone 01-Wabash IL CHCIILYACM0  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      
313-370 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-430 A Detroit Zone 1 MI CMPTMIIFCM0  340      
313-431 A Detroit Zone 1 MI CMPTMIIFCM0  340      
313-435 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-501 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-503 A Detroit Zone 5 MI CMPTMIIFCM0  340      
313-589 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      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.