Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 516C AT&T CORP.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
707-343 7 Sonoma CA SNFCCA01XGX  722   2006-06-30   
707-353 8 Point Arena CA SNFCCA01XGX  722   2025-01-15   
707-389 2 Fairfield-Suisun CA SNFCCA01XGX  722   2014-09-16   
707-397 6 Mendocino CA SNFCCA01XGX  722   2011-05-16   
707-403 5 Calistoga CA SNFCCA01XGX  722   2011-05-16   
707-409 5 Fort Bragg CA SNFCCA01XGX  722   2011-05-16   
707-412 6 Gualala CA SNFCCA01XGX  722   2025-01-08   
707-415 5 Yountville CA SNFCCA01XGX  722   2011-05-16   
707-461 5 Lower Lake CA SNFCCA01XGX  722   2011-05-16   
707-492 8 Napa CA SNFCCA01XGX  722   2014-07-21   
707-500 5 Nice CA SNFCCA01XGX  722   2011-05-16   
707-506 3 Rio Dell CA SNFCCA01XGX  722   2011-08-09   
707-514 7 Vacaville CA SNFCCA01XGX  722   2006-07-07   
707-517 5 Weott CA SNFCCA01XGX  722   2011-08-09   
707-520 5 Monte Rio CA SNFCCA01XGX  722   2011-05-16   
707-521 9 Santa Rosa CA SNFCCA01XGX  722   2012-01-25   
707-532 A Loleta CA SNFCCA01XGX  722      
707-532 7 Loleta CA SNFCCA01XGX  722   2011-09-15   
707-560 6 Clearlake Oaks CA SNFCCA01XGX  722   2011-05-16   
707-563 5 Vallejo CA SNFCCA01XGX  722   2006-06-30   
707-589 5 Bodega Bay CA SNFCCA01XGX  722   2011-05-16   
707-598 5 Lake Berryessa CA SNFCCA01XGX  722   2025-01-08   
707-602 8 Miranda CA SNFCCA01XGX  722   2011-08-09   
707-604 4 Guerneville CA SNFCCA01XGX  722   2011-05-16   
707-621 9 Ukiah CA SNFCCA01XGX  722   2011-05-16   
707-637 4 Napa CA SNFCCA01XGX  722   2006-06-30   
707-641 1 Vallejo CA SNFCCA01XGX  722   2014-07-21   
707-650 3 Pepperwood CA SNFCCA01XGX  722   2025-01-15   
707-654 8 Vallejo CA SNFCCA01XGX  722   2011-03-03   
707-669 5 Cloverdale CA SNFCCA01XGX  722   2011-05-16   
707-670 6 Hopland CA SNFCCA01XGX  722   2011-05-16   
707-673 2 Fairfield-Suisun CA SNFCCA01XGX  722   2006-06-30   
707-682 8 Fortuna CA SNFCCA01XGX  722   2011-09-26   
707-693 3 Dixon CA SCRMCA01XEZ  726   2009-04-11   
707-705 2 Valley Ford CA SNFCCA01XGX  722   2025-01-15   
707-706 A Annapolis CA SNFCCA01XGX  722      
707-706 7 Annapolis CA SNFCCA01XGX  722   2012-03-06   
707-715 7 Cobb Mountain CA SNFCCA01XGX  722   2016-11-29   
707-719 3 Blue Lake CA SNFCCA01XGX  722   2025-01-08   
707-724 8 Vacaville CA SNFCCA01XGX  722   2013-05-24   
707-742 4 Benicia CA SNFCCA01XGX  722   2006-06-30   
707-756 5 Healdsburg CA SNFCCA01XGX  722   2011-05-16   
707-774 6 Petaluma: Main DA CA SNFCCA01XGX  722   2006-06-30   
707-803 5 Fairfield-Suisun CA SNFCCA01XGX  722   2012-01-24   
707-809 8 Middletown CA SNFCCA01XGX  722   2011-08-09   
707-820 5 Forestville CA SNFCCA01XGX  722   2011-05-16   
707-827 6 Sebastopol CA SNFCCA01XGX  722   2007-02-26   
707-836 4 Windsor CA SNFCCA01XGX  722   2006-06-30   
707-840 6 Arcata CA SNFCCA01XGX  722   2011-06-20   
707-841 3 Willits CA SNFCCA01XGX  722   2011-05-16   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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