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]

Block: A

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-200 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-201 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-202 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-203 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-204 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-205 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-206 A West Los Angeles CA WLANCAXJDS0  2319 FRONTIER CALIFORNIA INC. 730      
310-207 A West Los Angeles CA WLANCAXHDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-208 A West Los Angeles CA WLANCAXJDS0  2319 FRONTIER CALIFORNIA INC. 730      
310-209 A West Los Angeles CA WLANCAXJDS0  2319 FRONTIER CALIFORNIA INC. 730      
310-210 A West Los Angeles CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-212 A Torrance CA TRNCCA11DS0  9740 PACIFIC BELL 730      
310-213 A Compton: Gardena DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-214 A Redondo CA RDBHCAXF37K  2319 FRONTIER CALIFORNIA INC. 730      
310-215 A Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730      
310-216 A Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730      
310-217 A Compton: Gardena DA CA GRDNCA01DS1  9740 PACIFIC BELL 730      
310-218 A Torrance CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-219 A Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-220 A Hawthorne CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
310-221 A San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
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      
310-226 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-227 A El Segundo CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-228 A 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      
310-231 A West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-232 A Santa Monica: Santa Monica DA CA SHOKCA02KMD  6630 USA MOBILITY WIRELESS, INC. 730      
310-233 A San Pedro CA WLMGCA01DS0  9740 PACIFIC BELL 730      
310-234 A West Los Angeles CA WLANCAXG47G  2319 FRONTIER CALIFORNIA INC. 730      
310-235 A West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-236 A Santa Monica: Santa Monica DA CA LSANCA039MD  6630 USA MOBILITY WIRELESS, INC. 730      
310-237 A Culver City CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-238 A Santa Monica: Santa Monica DA CA LSANCA039MD  6630 USA MOBILITY WIRELESS, INC. 730      
310-239 A Santa Monica: Santa Monica DA CA LSANCA039MD  6630 USA MOBILITY WIRELESS, INC. 730      
310-240 A Compton: Gardena DA CA LSANCA05TMD  6630 USA MOBILITY WIRELESS, INC. 730      
310-241 A San Pedro CA SNPDCA01DS0  9740 PACIFIC BELL 730      
310-242 A Inglewood CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
310-243 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-244 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-245 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-246 A Beverly Hills CA BVHLCA01DS0  9740 PACIFIC BELL 730      
310-247 A Beverly Hills CA BVHLCA01DS0  9740 PACIFIC BELL 730      
310-248 A Beverly Hills CA BVHLCA01DS0  9740 PACIFIC BELL 730      
310-249 A Compton: Gardena DA CA LSANCA05TMD  6630 USA MOBILITY WIRELESS, INC. 730      
310-250 A Compton: Gardena DA CA LSANCA05TMD  6630 USA MOBILITY WIRELESS, INC. 730      
310-251 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-252 A El Segundo CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-253 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-254 A West Los Angeles CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
310-255 A Santa Monica: Santa Monica DA CA WLANCA01DS0  7480 PACIFIC BELL (COMPETITIVE) 730      
310-256 A Inglewood CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
310-257 A Lomita CA LOMTCA11DS0  9740 PACIFIC BELL 730      
310-258 A Inglewood CA LSANCA07DS0  9740 PACIFIC BELL 730      
310-259 A Inglewood CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-260 A Santa Monica: Santa Monica DA CA SNMNCAXGDS0  2319 FRONTIER CALIFORNIA INC. 730      
310-261 A Santa Monica: Santa Monica DA CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
310-262 A Santa Monica: Santa Monica DA CA LSANCA039MD  6630 USA MOBILITY WIRELESS, INC. 730      
310-263 A Hawthorne CA HWTHCA01DS0  9740 PACIFIC BELL 730      
310-264 A Santa Monica: Santa Monica DA CA WLANCAXH82J  2319 FRONTIER CALIFORNIA INC. 730      
310-265 A Redondo CA RLHLCAXF79L  2319 FRONTIER CALIFORNIA INC. 730      
310-266 A Santa Monica: Santa Monica DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-267 A Santa Monica: Santa Monica DA CA SNMNCAXJ31K  2319 FRONTIER CALIFORNIA INC. 730      
310-268 A West Los Angeles CA WLANCAXFDS1  2319 FRONTIER CALIFORNIA INC. 730      
310-269 A Beverly Hills CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
310-270 A Beverly Hills CA BVHLCA01DS0  9740 PACIFIC BELL 730      
310-271 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-272 A Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-273 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-274 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-275 A Beverly Hills CA BVHLCA01DS0  9740 PACIFIC BELL 730      
310-276 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-277 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-278 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-279 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-280 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-281 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-282 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-283 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-284 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-285 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-286 A Beverly Hills CA WLANCA01DS0  9740 PACIFIC BELL 730      
310-287 A Culver City CA CLCYCA11DS0  9740 PACIFIC BELL 730      
310-288 A Beverly Hills CA BVHLCA01DS1  9740 PACIFIC BELL 730      
310-289 A Beverly Hills CA LSANCA08DS0  9740 PACIFIC BELL 730      
310-290 A Beverly Hills CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
310-291 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-292 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-293 A Compton: Gardena DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
310-294 A Torrance CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-295 A West Los Angeles CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-296 A Compton: Gardena DA CA LSANCA039MD  6906 AMERICAN MESSAGING SERVICES, LLC 730      
310-297 A Hawthorne CA ELSGCA12DS0  9740 PACIFIC BELL 730      
310-298 A Compton: Gardena DA CA LSANCA05TMD  6630 USA MOBILITY WIRELESS, INC. 730      
310-299 A Beverly Hills CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-300 A Beverly Hills CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      

1 2 3 4 5 6 7 8 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.