Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
413-867 2 Springfield MA SPFDMAWOXQX  126   2024-07-20   
414-260 A Milwaukee Zone 1 WI MILBWI120MD  356      
414-260 1 Milwaukee Zone 1 WI MILBWI120MD  356   2020-07-20   
414-361 5 Milwaukee Zone 1 WI MILBWI120MD  356   2024-04-27   
414-401 0 Milwaukee Zone 1 WI MILBWI120MD  356   2024-09-08   
414-401 1 Milwaukee Zone 1 WI MILBWI120MD  356   2024-09-08   
414-401 2 Milwaukee Zone 1 WI MILBWI120MD  356   2024-09-08   
415-714 A San Francisco: Central DA CA SNFCCAMKXVY  722   2024-12-23   
415-714 1 San Francisco: Central DA CA SNFCCAMKXVY  722   2024-12-23   
419-312 A Mansfield OH MNFDOHMMCMD  923      
423-656 9 Johnson City TN JHCYTNXCXRY  956   2023-12-30   
423-705 A Johnson City TN JHCYTNXCXRY  956      
423-705 2 Johnson City TN JHCYTNXCXRY  956   2022-02-03   
423-709 4 Cleveland TN CHTGTNNSXYZ  472   2024-12-06   
423-709 5 Cleveland TN CHTGTNNSXYZ  472   2024-12-06   
423-719 A Chattanooga TN CHTGTNNSXYZ  472      
423-719 2 Chattanooga TN CHTGTNNSXYZ  472   2022-02-03   
423-904 7 Chattanooga TN CHTGTNNSXYZ  472   2024-11-24   
423-906 2 Johnson City TN JHCYTNXCXRY  956   2024-06-09   
423-906 3 Johnson City TN JHCYTNXCXRY  956   2024-06-09   
423-906 4 Johnson City TN JHCYTNXCXRY  956   2024-09-21   
423-906 5 Johnson City TN JHCYTNXCXRY  956   2024-09-21   
423-980 4 Chattanooga TN CHTGTNNSXYZ  472   2024-11-24   
430-288 A Tyler TX LGVWTXBAXGY  554      
430-288 2 Tyler TX LGVWTXBAXGY  554   2022-02-03   
430-351 2 Tyler TX LGVWTXBAXGY  554   2024-11-10   
430-352 1 Tyler TX LGVWTXBAXGY  554   2024-06-06   
430-352 2 Tyler TX LGVWTXBAXGY  554   2024-06-06   
432-204 4 Odessa TX   542   2025-05-09   
432-204 5 Odessa TX   542   2025-05-09   
432-204 7 Odessa TX   542   2025-05-09   
432-316 A Odessa TX MDLDTX95XMD  542      
432-316 2 Odessa TX MDLDTX95XMD  542   2022-02-03   
432-338 8 Odessa TX MDLDTX95XMD  542   2024-07-16   
432-338 9 Odessa TX MDLDTX95XMD  542   2024-07-16   
432-577 9 Odessa TX MDLDTX95XMD  542   2023-11-26   
432-582 6 Odessa EACS TX MDLDTX95XMD  542   2023-11-26   
434-240 A Chatham VA LYBGVACHXCX  250      
434-240 1 Chatham VA LYBGVACHXCX  250   2020-10-11   
434-257 A Charlottesville VA CHVLVAXAXPY  928      
434-257 1 Charlottesville VA CHVLVAXAXPY  928   2020-11-20   
434-746 5 Chatham VA LYBGVACHXCX  250   2023-12-30   
434-746 6 Chatham VA LYBGVACHXCX  250   2023-12-30   
435-281 A Coalville UT CHYNWYMAXKX  660      
435-281 1 Coalville UT CHYNWYMAXKX  660   2021-03-25   
435-296 1 Glen Canyon City UT PHNXAZMAX0Z  666   2021-02-20   
445-202 A Philadelphia Zone 1 PA PHLAPAMKXHX  228      
445-202 1 Philadelphia Zone 1 PA PHLAPAMKXHX  228   2020-11-08   
445-286 7 Philadelphia Zone 1 PA PHLAPAMKXHX  228   2023-12-19   
445-286 8 Philadelphia Zone 1 PA PHLAPAMKXHX  228   2023-12-19   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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