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.
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OCN: 478J NUSO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-726 A Washington Zone 4 MD ARTNVAARXGY  236      
240-726 1 Washington Zone 4 MD ARTNVAARXGY  236   2020-10-27   
240-735 A Brunswick MD FRDRMDFRXUX  240      
240-735 1 Brunswick MD FRDRMDFRXUX  240   2020-10-27   
240-742 A Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXKX  238      
240-742 1 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXKX  238   2021-01-21   
251-335 A Melvin AL JCSNMSCP68Z  482      
251-335 1 Melvin AL JCSNMSCP68Z  482   2020-11-08   
251-381 A Mobile AL MOBLAL35YMD  480      
251-381 2 Mobile AL MOBLAL35YMD  480   2022-02-04   
252-540 A Greenville NC GNVLNCXBAMD  951      
252-540 2 Greenville NC GNVLNCXBAMD  951   2022-02-03   
252-691 A Knotts Island NC NRFLVABSX8X  252      
252-691 1 Knotts Island NC NRFLVABSX8X  252   2020-10-27   
252-709 1 Knotts Island NC NRFLVABSX8X  252   2023-12-02   
254-362 A Waco TX WACOTX01XJY  556      
254-362 1 Waco TX WACOTX01XJY  556   2020-10-27   
256-448 9 Francisco AL NSVLTNMTYOZ  470   2020-09-28   
256-819 A Huntsville AL HNVIALUNX9Z  477      
256-819 1 Huntsville AL HNVIALUNX9Z  477   2020-11-02   
256-906 7 Ranburne AL ATLNGAMQX8X  438   2020-09-28   
260-289 A Fort Wayne IN FTWYINXAKMD  334      
260-289 2 Fort Wayne IN FTWYINXAKMD  334   2021-11-28   
260-328 7 Fort Wayne IN FTWYINXAKMD  334   2023-12-29   
262-222 9 North Antioch WI CHCGILWBXSZ  358   2024-01-01   
262-272 A North Antioch WI CHCGILWBXSZ  358      
262-272 1 North Antioch WI CHCGILWBXSZ  358   2020-10-27   
262-435 1 North Antioch WI CHCGILWBXSZ  358   2024-01-01   
272-248 A Ashland (Schuylkill) PA ASLDPAALAMD  232      
272-248 1 Ashland (Schuylkill) PA ASLDPAALAMD  232   2020-12-26   
283-209 6 Cincinnati OH CNCNOHWSXIZ  922   2023-12-03   
283-209 7 Cincinnati OH CNCNOHWSXIZ  922   2023-12-03   
302-551 A Wilmington DE PHLAPAMKXHX  228      
302-551 1 Wilmington DE PHLAPAMKXHX  228   2020-10-27   
309-803 A Canton IL PEORILPJXYZ  368      
309-803 1 Canton IL PEORILPJXYZ  368   2020-10-11   
312-682 A Chicago Zone 01-Calumet IL CHCGILWBXSZ  358      
312-682 1 Chicago Zone 01-Calumet IL CHCGILWBXSZ  358   2020-07-16   
312-682 6 Chicago Zone 01-Calumet IL CHCGILWBXSZ  358   2020-08-07   
312-682 7 Chicago Zone 01-Calumet IL CHCGILWBXSZ  358   2020-08-07   
313-261 1 Detroit Zone 1 MI SFLDMIMK0MD  340   2023-12-11   
313-385 A Detroit Zone 1 MI SFLDMIMK0MD  340      
313-385 1 Detroit Zone 1 MI SFLDMIMK0MD  340   2020-06-20   
313-872 8 Detroit Zone 1 MI   340   2023-12-11   
316-232 6 Wichita KS WCHTKSBRXDZ  532   2023-12-22   
316-234 3 Wichita KS WCHTKSBRXDZ  532   2023-12-22   
316-369 A Wichita KS WCHTKSBRXDZ  532      
316-369 1 Wichita KS WCHTKSBRXDZ  532   2020-10-27   
325-297 A San Angelo TX SANGTX01XOX  961      
325-297 1 San Angelo TX SANGTX01XOX  961   2023-11-26   

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

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