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.

NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-221 9 San Pedro CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-06   
310-222 A Torrance CA TRNCCA11DS0  9740 PACIFIC BELL 730      
310-223 A Compton: Compton DA CA CMTNCA01DS0  9740 PACIFIC BELL 730      
310-224 A Torrance CA TRNCCA11DS0  9740 PACIFIC BELL 730      
310-225 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 0 Compton: Gardena DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
310-225 1 Compton: Gardena DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
310-225 2 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 3 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 4 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 5 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 6 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 7 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 8 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-225 9 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-226 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-227 A El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-227 0 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-19   
310-227 1 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-19   
310-227 2 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-227 3 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-06-09   
310-227 4 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2006-01-19   
310-227 5 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-04-22   
310-227 6 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-07   
310-227 7 El Segundo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-03-07   
310-227 8 El Segundo CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2000-07-15   
310-227 9 El Segundo CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-02   
310-228 A Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 0 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-01-08   
310-228 1 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 2 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 3 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 4 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 5 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 6 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-228 7 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-25   
310-228 8 Beverly Hills CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2002-12-25   
310-228 9 Beverly Hills CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-229 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-230 A Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 0 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 1 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 2 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 3 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 4 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 5 Santa Monica: Santa Monica DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-18   
310-230 6 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 7 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 8 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-230 9 Santa Monica: Santa Monica DA CA PCPLCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.