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: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
530-834 7 Grass Valley: Main DA CA SCRMCA0121Z  726      
530-834 8 Grass Valley: Main DA CA SCRMCA0121Z  726      
530-838 6 Corning CA CHICCA01XQX  724      
530-839 5 Vina CA CHICCA01XQX  724      
530-840 2 Red Bluff CA CHICCA01XQX  724      
530-856 A Chico CA CHICCA01XQX  724      
530-856 2 Chico CA CHICCA01XQX  724      
530-856 7 Chico CA CHICCA01XQX  724      
530-863 2 Auburn: Main DA CA SCRMCA0121Z  726      
530-863 4 Auburn: Main DA CA SCRMCA0121Z  726      
530-924 2 Chico CA CHICCA01XQX  724      
530-936 6 Orland CA CHICCA01XQX  724      
530-955 2 Nevada City CA SCRMCA0121Z  726      
530-962 6 Shasta Lake CA CHICCA01XQX  724      
530-990 7 Oroville CA CHICCA01XQX  724      
559-201 5 Chowchilla CA SKTNCA01XXZ  738      
559-203 6 Clovis CA FRSNCA0112Z  728      
559-205 8 Visalia CA FRSNCA0112Z  728      
559-212 A Hanford CA FRSNCA0112Z  728      
559-212 2 Hanford CA FRSNCA0112Z  728      
559-214 4 Fresno CA FRSNCA0112Z  728      
559-218 A Fresno CA FRSNCA0112Z  728      
559-218 4 Fresno CA FRSNCA0112Z  728      
559-218 7 Fresno CA FRSNCA0112Z  728      
559-238 6 Kingsburg CA FRSNCA0112Z  728      
559-239 3 Lindsay CA FRSNCA0112Z  728      
559-302 5 Visalia CA FRSNCA0112Z  728      
559-306 1 Porterville CA FRSNCA0112Z  728      
559-320 A Fresno CA FRSNCA0112Z  728      
559-320 0 Fresno CA FRSNCA0112Z  728      
559-320 1 Fresno CA FRSNCA0112Z  728      
559-320 2 Fresno CA FRSNCA0112Z  728      
559-320 3 Fresno CA FRSNCA0112Z  728      
559-320 4 Fresno CA FRSNCA0112Z  728      
559-320 8 Fresno CA FRSNCA0112Z  728      
559-326 5 Clovis CA FRSNCA0112Z  728      
559-329 A Tulare CA FRSNCA0112Z  728      
559-329 3 Tulare CA FRSNCA0112Z  728      
559-332 8 Squaw Valley CA FRSNCA0112Z  728      
559-334 A Visalia CA FRSNCA0112Z  728      
559-334 0 Visalia CA FRSNCA0112Z  728      
559-334 2 Visalia CA FRSNCA0112Z  728      
559-334 6 Visalia CA FRSNCA0112Z  728      
559-339 A Porterville CA FRSNCA0112Z  728      
559-339 6 Porterville CA FRSNCA0112Z  728      
559-344 6 Fowler CA FRSNCA0112Z  728      
559-348 5 Fresno CA FRSNCA0112Z  728      
559-364 2 San Joaquin CA FRSNCA0112Z  728      
559-366 1 Tulare CA FRSNCA0112Z  728      
559-368 A Tulare CA FRSNCA0112Z  728      
559-368 7 Tulare CA FRSNCA0112Z  728      
559-374 3 Fresno CA FRSNCA0112Z  728      
559-375 7 Fresno CA FRSNCA0112Z  728      
559-383 3 Avenal CA FRSNCA0112Z  728      
559-390 A Alpaugh CA FRSNCA0112Z  728      
559-390 7 Alpaugh CA FRSNCA0112Z  728      
559-391 A Reedley CA FRSNCA0112Z  728      
559-391 2 Reedley CA FRSNCA0112Z  728      
559-403 7 Caruthers CA FRSNCA0112Z  728      
559-404 5 Coalinga CA FRSNCA0112Z  728      
559-405 6 Del Rey CA FRSNCA0112Z  728      
559-407 8 Firebaugh CA FRSNCA0112Z  728      
559-415 7 Hanford CA FRSNCA0112Z  728      
559-423 6 Lemoore CA FRSNCA0112Z  728      
559-424 7 Mendota CA FRSNCA0112Z  728      
559-460 5 Selma CA FRSNCA0112Z  728      
559-465 3 Three Rivers CA FRSNCA0112Z  728      
559-468 5 Woodlake CA FRSNCA0112Z  728      
559-475 5 Fresno CA FRSNCA0112Z  728      
559-475 7 Fresno CA FRSNCA0112Z  728      
559-476 1 Fresno CA FRSNCA0112Z  728      
559-476 2 Fresno CA FRSNCA0112Z  728      
559-476 3 Fresno CA FRSNCA0112Z  728      
559-476 8 Fresno CA FRSNCA0112Z  728      
559-482 8 Burrel CA FRSNCA0112Z  728      
559-517 A Madera CA FRSNCA0112Z  728      
559-527 7 Terra Bella CA FRSNCA0112Z  728      
559-537 A Hanford CA FRSNCA0112Z  728      
559-537 7 Hanford CA FRSNCA0112Z  728      
559-543 3 Huron CA FRSNCA0112Z  728      
559-547 2 Fresno CA FRSNCA0112Z  728      
559-547 3 Fresno CA FRSNCA0112Z  728      
559-558 4 Fresno CA FRSNCA0112Z  728      
559-560 3 Porterville CA FRSNCA0112Z  728      
559-577 A Fresno CA FRSNCA0112Z  728      
559-577 1 Fresno CA FRSNCA0112Z  728      
559-596 6 Dinuba CA FRSNCA0112Z  728      
559-605 A Tulare CA FRSNCA0112Z  728      
559-605 3 Tulare CA FRSNCA0112Z  728      
559-605 4 Tulare CA FRSNCA0112Z  728      
559-605 5 Tulare CA FRSNCA0112Z  728      
559-632 8 Riverdale CA FRSNCA0112Z  728      
559-633 5 Lemoore CA FRSNCA0112Z  728      
559-646 7 Parlier CA FRSNCA0112Z  728      
559-664 5 Madera CA FRSNCA0112Z  728      
559-743 3 Reedley CA FRSNCA0112Z  728      
559-748 3 Exeter CA FRSNCA0112Z  728      
559-762 3 Corcoran CA FRSNCA0112Z  728      
559-764 A Madera CA FRSNCA0112Z  728      
559-764 2 Madera CA FRSNCA0112Z  728      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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