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
650-532 1 San Mateo CA SNJSCAYB0MD  722      
650-532 2 San Mateo CA SNJSCAYB0MD  722      
650-532 6 San Mateo CA SNJSCAYB0MD  722      
650-535 A Moss Beach CA SNJSCAYB0MD  722      
650-535 9 Moss Beach CA SNJSCAYB0MD  722      
650-538 A Pescadero CA SNJSCAYB0MD  722      
650-538 9 Pescadero CA SNJSCAYB0MD  722      
650-543 A Palo Alto CA SNJSCAYB0MD  722      
650-546 3 Palo Alto CA SNJSCAYB0MD  722      
650-550 3 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
650-618 7 Palo Alto CA SNJSCAYB0MD  722      
650-645 1 San Mateo CA SNJSCAYB0MD  722      
650-645 6 San Mateo CA SNJSCAYB0MD  722      
650-645 7 San Mateo CA SNJSCAYB0MD  722      
650-665 8 Palo Alto CA SNJSCAYB0MD  722      
650-681 A Palo Alto CA SNJSCAYB0MD  722      
650-681 3 Palo Alto CA SNJSCAYB0MD  722      
650-681 5 Palo Alto CA SNJSCAYB0MD  722      
650-681 6 Palo Alto CA SNJSCAYB0MD  722      
650-730 5 San Carlos-Belmont CA SNJSCAYB0MD  722      
650-737 4 South San Francisco CA SNJSCAYB0MD  722      
650-739 4 Palo Alto CA SNJSCAYB0MD  722      
650-746 3 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
650-746 5 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
650-772 3 Mountain View CA SNJSCAYB0MD  722      
650-779 3 Redwood City CA SNJSCAYB0MD  722      
650-779 6 Redwood City CA SNJSCAYB0MD  722      
650-804 7 Palo Alto CA SNJSCAYB0MD  722      
650-810 A Mountain View CA SNJSCAYB0MD  722      
650-810 0 Mountain View CA SNJSCAYB0MD  722      
650-810 1 Mountain View CA SNJSCAYB0MD  722      
650-810 2 Mountain View CA SNJSCAYB0MD  722      
650-810 8 Mountain View CA SNJSCAYB0MD  722      
650-810 9 Mountain View CA SNJSCAYB0MD  722      
650-832 A San Carlos-Belmont CA SNJSCAYB0MD  722      
650-832 0 San Carlos-Belmont CA SNJSCAYB0MD  722      
650-832 6 San Carlos-Belmont CA SNJSCAYB0MD  722      
650-931 A San Mateo CA SNJSCAYB0MD  722      
650-931 0 San Mateo CA SNJSCAYB0MD  722      
650-931 1 San Mateo CA SNJSCAYB0MD  722      
650-931 2 San Mateo CA SNJSCAYB0MD  722      
650-931 3 San Mateo CA SNJSCAYB0MD  722      
650-931 8 San Mateo CA SNJSCAYB0MD  722      
650-931 9 San Mateo CA SNJSCAYB0MD  722      
650-933 9 Mountain View CA SNJSCAYB0MD  722      
650-963 8 Mountain View CA SNJSCAYB0MD  722      
657-200 4 Westminster CA IRVNCASM1MD  730      
657-212 8 Santa Ana CA IRVNCASM1MD  730      
657-218 3 Santa Ana CA IRVNCASM1MD  730      
657-218 7 Santa Ana CA IRVNCASM1MD  730      
657-221 4 Orange CA IRVNCASM1MD  730      
657-227 4 Westminster CA IRVNCASM1MD  730      
657-227 5 Westminster CA IRVNCASM1MD  730      
657-229 6 Santa Ana CA IRVNCASM1MD  730      
657-229 7 Santa Ana CA IRVNCASM1MD  730      
657-229 8 Santa Ana CA IRVNCASM1MD  730      
657-232 6 Santa Ana CA IRVNCASM1MD  730      
657-235 5 Santa Ana CA IRVNCASM1MD  730      
657-257 3 Westminster CA IRVNCASM1MD  730      
657-261 4 Santa Ana CA IRVNCASM1MD  730      
657-266 3 Santa Ana CA IRVNCASM1MD  730      
657-267 3 Santa Ana CA IRVNCASM1MD  730      
657-267 4 Santa Ana CA IRVNCASM1MD  730      
657-274 7 Orange CA IRVNCASM1MD  730      
657-275 A Placentia CA IRVNCASM1MD  730      
657-275 6 Placentia CA IRVNCASM1MD  730      
657-275 7 Placentia CA IRVNCASM1MD  730      
657-341 7 Brea CA IRVNCASM1MD  730      
657-605 A Orange CA IRVNCASM1MD  730      
657-605 7 Orange CA IRVNCASM1MD  730      
657-605 8 Orange CA IRVNCASM1MD  730      
657-622 4 Santa Ana CA IRVNCASM1MD  730      
657-859 2 Santa Ana CA IRVNCASM1MD  730      
657-859 5 Santa Ana CA IRVNCASM1MD  730      
661-208 4 Palmdale: Palmdale DA CA IRVNCASM1MD  730      
661-233 8 Palmdale: Palmdale DA CA IRVNCASM1MD  730      
661-237 6 Shafter CA BKFDCA12XRX  734      
661-240 6 Wasco CA BKFDCA12XRX  734      
661-241 5 Bakersfield: South DA CA BKFDCA12XRX  734      
661-241 6 Bakersfield: South DA CA BKFDCA12XRX  734      
661-241 7 Bakersfield: South DA CA BKFDCA12XRX  734      
661-247 6 Arvin CA BKFDCA12XRX  734      
661-341 3 Lancaster CA IRVNCASM1MD  730      
661-347 7 Santa Clarita: Saugus Canyon Country DA CA IRVNCASM1MD  730      
661-368 3 Bakersfield: North DA CA BKFDCA12XRX  734      
661-371 2 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-371 3 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 A Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 0 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 1 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 2 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 3 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 7 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-377 9 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-381 A Bakersfield: South DA CA BKFDCA12XRX  734      
661-381 2 Bakersfield: South DA CA BKFDCA12XRX  734      
661-390 A Arvin CA BKFDCA12XRX  734      
661-401 2 Bakersfield: Main DA CA BKFDCA12XRX  734      
661-410 A Bakersfield: North DA CA BKFDCA12XRX  734      
661-410 0 Bakersfield: North DA CA BKFDCA12XRX  734      

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

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