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: 2319 FRONTIER CALIFORNIA INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
661-718 1 Lancaster CA   730      
661-718 2 Lancaster CA   730      
661-718 3 Lancaster CA   730      
661-718 8 Lancaster CA   730      
661-722 A Lancaster CA QZHLCAXF94K  730     map
661-723 A Lancaster CA LNCSCAXG94K  730     map
661-724 A Lake Hughes CA LKHGCAXFRS1  730     map
661-724 0 Lake Hughes CA   730      
661-724 1 Lake Hughes CA   730      
661-724 2 Lake Hughes CA   730      
661-724 9 Lake Hughes CA   730      
661-726 A Lancaster CA LNCSCAXG94K  730     map
661-727 A Hi Vista CA LNCSCAXFDS0  730     map
661-727 1 Hi Vista CA   730      
661-728 A Lancaster CA LNCSCAXG94K  730     map
661-728 0 Lancaster CA   730      
661-728 2 Lancaster CA   730      
661-728 3 Lancaster CA   730      
661-728 4 Lancaster CA   730      
661-728 9 Lancaster CA   730      
661-729 A Lancaster CA LNCSCAXG94K  730     map
661-940 A Lancaster CA LNCSCAXG94K  730     map
661-942 A Lancaster CA LNCSCAXG94K  730     map
661-943 A Lancaster CA QZHLCAXF94K  730     map
661-945 A Lancaster CA LNCSCAXG94K  730     map
661-946 A Lancaster CA LNCSCAXFDS0  730     map
661-948 A Lancaster CA LNCSCAXG94K  730     map
661-949 A Lancaster CA LNCSCAXG94K  730     map
661-949 0 Lancaster CA   730      
661-949 1 Lancaster CA   730      
661-949 2 Lancaster CA   730      
661-949 3 Lancaster CA   730      
661-949 5 Lancaster CA   730      
661-949 6 Lancaster CA   730      
661-949 7 Lancaster CA   730      
661-949 8 Lancaster CA   730      
661-949 9 Lancaster CA   730      
661-951 A Lancaster CA LNCSCAXG94K  730     map
707-833 A Kenwood CA KNWDCAXFDS0  722     map
707-833 1 Kenwood CA   722      
707-833 2 Kenwood CA   722      
707-833 4 Kenwood CA   722      
707-833 5 Kenwood CA   722      
707-833 6 Kenwood CA   722      
714-372 A Westminster CA WMNSCAXFDS0  730     map
714-373 A Westminster CA WMNSCAXFDS0  730     map
714-374 A Huntington Beach CA HNBHCAXG96L  730     map
714-375 A Huntington Beach CA HNBHCAXF84C  730     map
714-377 A Huntington Beach CA HNBHCAXL84S  730     map
714-378 A Huntington Beach CA HNBHCAXH96A  730     map

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Last updated: Wed, 30 Aug 2017 11:37:56 UTC

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