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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-849 9 Shingletown CA CHICCACWCMD  724   2023-12-11   
530-880 9 Orland CA CHICCACWCMD  724   2023-10-29   
530-930 0 Marysville CA SCRMCA0119Z  726   2023-07-02   
530-940 1 Auburn: Main DA CA SCRMCA0119Z  726   2023-11-01   
530-943 A Willows CA CHICCACWCMD  724      
530-943 9 Willows CA CHICCACWCMD  724   2023-07-02   
530-947 A Colusa CA SCRMCA0119Z  726      
530-947 9 Colusa CA SCRMCA0119Z  726   2023-07-02   
530-952 A Placerville: West DA CA SCRMCA0119Z  726      
530-952 0 Placerville: West DA CA SCRMCA0119Z  726   2023-07-07   
530-975 1 Gridley CA SCRMCA0119Z  726   2023-12-10   
531-217 8 Plattsmouth NE LNCLNEAC13Z  958   2022-08-27   
531-240 1 Ashland NE LNCLNEAC13Z  958   2022-08-27   
531-261 0 Weeping Water NE LNCLNEAC13Z  958   2022-08-27   
531-265 2 South Sioux City NE SXCYIA7900Z  630   2023-05-01   
531-280 A Lincoln NE LNCLNEAC13Z  958      
531-280 9 Lincoln NE LNCLNEAC13Z  958   2022-04-30   
531-291 8 Crete NE LNCLNEAC13Z  958   2022-08-27   
531-352 A Omaha NE   644   2024-03-11   
531-352 0 Omaha NE   644   2024-03-11   
531-352 1 Omaha NE   644   2024-05-31   
531-353 8 Wahoo NE LNCLNEAC13Z  958   2022-08-27   
531-495 A Omaha NE OMAKNEYW9MD  644      
531-495 9 Omaha NE OMAKNEYW9MD  644   2022-02-27   
534-204 A Eau Claire WI EUCLWIAT24Z  352      
534-204 7 Eau Claire WI EUCLWIAT24Z  352   2022-04-26   
534-210 9 River Falls WI EUCLWIAT24Z  352   2023-11-08   
534-213 A Eleva WI EUCLWIAT24Z  352      
534-213 9 Eleva WI EUCLWIAT24Z  352   2023-06-10   
534-215 A Somerset WI EUCLWIAT24Z  352      
534-215 0 Somerset WI EUCLWIAT24Z  352   2023-07-02   
534-220 0 Chippewa Falls WI EUCLWIAT24Z  352   2023-05-06   
534-234 9 Auburndale WI GNBYWIELGMD  350   2023-11-03   
534-626 8 Wausau WI GNBYWIELGMD  350   2023-05-07   
539-213 3 Cameron OK TULSOKTB02Z  538   2022-09-17   
539-254 1 Spiro OK TULSOKTB02Z  538   2022-10-03   
539-271 A Tulsa OK TULSOKTB02Z  538      
539-271 9 Tulsa OK TULSOKTB02Z  538   2022-02-21   
539-276 A Cedars OK FTSMAR0800Z  526      
539-276 9 Cedars OK FTSMAR0800Z  526   2022-05-01   
539-287 8 Yale OK   538   2024-03-03   
539-293 A Cushing OK   538   2024-04-07   
539-293 0 Cushing OK   538   2024-04-07   
539-542 2 Jennings OK   538   2024-03-03   
540-275 8 Mount Solon VA RONKVAGECMD  244   2022-12-20   
540-332 6 Staunton VA RONKVAGECMD  244   2022-06-01   
540-470 4 Waynesboro VA RONKVAGECMD  244   2022-06-01   
540-781 6 Bluemont VA   246   2024-03-22   
540-806 1 Radford VA RONKVAGECMD  244   2023-05-26   
540-873 1 Stafford VA WASHDC12NMD  236   2022-09-08   

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

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